Catnip - Herb Herbert
... The catnip, Nepeta cataria, is a medicinal herb with little merit as a garden plant. It owes its name to its stimulant effect on cats, which eat and roll in the plant with obvious pleasure. The leaves contain a chemical known as neptalactone which gives the plant it’s ‘narcotic’ effect on cats. ...
... The catnip, Nepeta cataria, is a medicinal herb with little merit as a garden plant. It owes its name to its stimulant effect on cats, which eat and roll in the plant with obvious pleasure. The leaves contain a chemical known as neptalactone which gives the plant it’s ‘narcotic’ effect on cats. ...
LECTURE 2
... plants are among the easiest plants to propagate by stem cuttings. The leaves contain aromatic essential oils and emerge oppositely, each pair at right angles to the previous one (called decussate) or whorled. The stems are square in cross section. The herbaceous parts of these plants have hairs. Th ...
... plants are among the easiest plants to propagate by stem cuttings. The leaves contain aromatic essential oils and emerge oppositely, each pair at right angles to the previous one (called decussate) or whorled. The stems are square in cross section. The herbaceous parts of these plants have hairs. Th ...
2005 Georgia Gold Medal Winners
... erates drought better than most trees in its class. However, it will not tolerate wet sites or sites where extreme Ouctuations in soil moisture are common. Good soil drainage is essential. Aptly named, Glowing Embers Japanese Maple provides a kaleido scope of color in fall as the leaves fade from g ...
... erates drought better than most trees in its class. However, it will not tolerate wet sites or sites where extreme Ouctuations in soil moisture are common. Good soil drainage is essential. Aptly named, Glowing Embers Japanese Maple provides a kaleido scope of color in fall as the leaves fade from g ...
Basic Botany - University of Idaho Extension
... Leaves are the main structures produced on plant stems. Leaves come in many different shapes, sizes, and arrangements and are used for plant identification. They also serve many vital roles, the most important being the harvest of light energy. The leaf is the primary site of photosynthesis, respira ...
... Leaves are the main structures produced on plant stems. Leaves come in many different shapes, sizes, and arrangements and are used for plant identification. They also serve many vital roles, the most important being the harvest of light energy. The leaf is the primary site of photosynthesis, respira ...
YST Homeowner Handout
... In the California foothills, Yellow Starthistle is perhaps the most common and concerning "invasive" plant. It is impacting much of our open space, agricultural, and range land as well as intruding into our neighborhood landscapes. The impact to large range and agricultural lands is primarily the co ...
... In the California foothills, Yellow Starthistle is perhaps the most common and concerning "invasive" plant. It is impacting much of our open space, agricultural, and range land as well as intruding into our neighborhood landscapes. The impact to large range and agricultural lands is primarily the co ...
Mediterranean sage
... medicinal-type odor is emitted. The overall plant is covered with dense, woolly hairs, especially when young. During the first year of growth, Mediterranean sage is a basal rosette of grayish green leaves. The second year rosette is leafier, and the leaves are somewhat fleshy, with an almost felt-li ...
... medicinal-type odor is emitted. The overall plant is covered with dense, woolly hairs, especially when young. During the first year of growth, Mediterranean sage is a basal rosette of grayish green leaves. The second year rosette is leafier, and the leaves are somewhat fleshy, with an almost felt-li ...
Plant Reproduction - Scientist in Residence Program
... People do not often make the connection between flower and fruit. Both are all about reproduction. To be able to look at the structure of a flower and actually see how it develops into fruit is a very powerful way of demonstrating this relationship. Ovaries, which contain eggs, will ultimately devel ...
... People do not often make the connection between flower and fruit. Both are all about reproduction. To be able to look at the structure of a flower and actually see how it develops into fruit is a very powerful way of demonstrating this relationship. Ovaries, which contain eggs, will ultimately devel ...
Newsletter - Sun and Black Flowers
... to brighten spirits even on the shortest, dreariest winter days. Pick carefully and they also provide scent -- from rich and flowery to warm and spicy. Read on to discover some of our favorite fragrant plants. ...
... to brighten spirits even on the shortest, dreariest winter days. Pick carefully and they also provide scent -- from rich and flowery to warm and spicy. Read on to discover some of our favorite fragrant plants. ...
Practice Questions MidT I-with answers Oct 14
... a) chromosomes of maternal and paternal origin sort independently b) crossing over produces recombinant chromosomes not present in either parent c) natural selection favours increased diversity d) meiosis leads directly to gamete production and fertilization is a random process e) both a and b are t ...
... a) chromosomes of maternal and paternal origin sort independently b) crossing over produces recombinant chromosomes not present in either parent c) natural selection favours increased diversity d) meiosis leads directly to gamete production and fertilization is a random process e) both a and b are t ...
Mimosa bush - Department of Agriculture and Fisheries
... the base of each leaf. Flowers develop into clusters of cigar-shaped pods, slightly curved and up to 6 cm long. The pods are dark brown or black and woody at maturity, with seeds embedded in the pith. Pods do no split open and tend to stay on the plant for a length of time. Mimosa bush can be confus ...
... the base of each leaf. Flowers develop into clusters of cigar-shaped pods, slightly curved and up to 6 cm long. The pods are dark brown or black and woody at maturity, with seeds embedded in the pith. Pods do no split open and tend to stay on the plant for a length of time. Mimosa bush can be confus ...
Unit 7
... herbaceous plants are called club mosses. Sphenophyta include extinct woody trees and ...
... herbaceous plants are called club mosses. Sphenophyta include extinct woody trees and ...
LESSON Sexual Reproduction in Flowering Plants
... 20 chromosomes). When pollen grains (the male sex cells) or ovules (the female sex cells) are formed, each has only 10 single chromosomes. When fertilization takes place, the pollen grain contributes 10 chromosomes and the ovule contributes 10 chromosomes. The resulting seed has the normal 10 pairs ...
... 20 chromosomes). When pollen grains (the male sex cells) or ovules (the female sex cells) are formed, each has only 10 single chromosomes. When fertilization takes place, the pollen grain contributes 10 chromosomes and the ovule contributes 10 chromosomes. The resulting seed has the normal 10 pairs ...
Boulder County Noxious Weed List
... Purple loosestrife is an invasive tap-rooted perennial forb from Europe, and an escaped ornamental inhabiting natural areas wetland margins. It can grow from 2 - 8 feet tall on four-sided stems with 5 inch lance-shaped leaves and has tight clustered pinkish-purple flowers on long vertical heads. Com ...
... Purple loosestrife is an invasive tap-rooted perennial forb from Europe, and an escaped ornamental inhabiting natural areas wetland margins. It can grow from 2 - 8 feet tall on four-sided stems with 5 inch lance-shaped leaves and has tight clustered pinkish-purple flowers on long vertical heads. Com ...
Seed Plants: Angiosperms
... • Pollen tube grows between cells of stigma and style until reaches ovule micropyle • Vegetative nucleus stays at tips of pollen tube, while generative cell lags behind and divides into 2 sperm ...
... • Pollen tube grows between cells of stigma and style until reaches ovule micropyle • Vegetative nucleus stays at tips of pollen tube, while generative cell lags behind and divides into 2 sperm ...
Tips on Growing Orchids in Florida
... Species and hybrids of six orchid genera are widely recommended to homeowners because of their adaptability, ease of growing, and beautiful flowers. These are: Cattleya , Phalaenopsis , Dendrobium , Oncidium , Vanda and Epidendrum . Cattleya , synonymous with "orchids" to many people is the most pop ...
... Species and hybrids of six orchid genera are widely recommended to homeowners because of their adaptability, ease of growing, and beautiful flowers. These are: Cattleya , Phalaenopsis , Dendrobium , Oncidium , Vanda and Epidendrum . Cattleya , synonymous with "orchids" to many people is the most pop ...
Weeds Activity
... • Stems are somewhat fleshy at the base. The mature plant can spread to about 2-1/2 feet wide. The leaf blades are nearly hairless, except for long hairs on the blade bases, collars, and/or upper sheath margins. The flattened stem bases are whitish in contrast to ...
... • Stems are somewhat fleshy at the base. The mature plant can spread to about 2-1/2 feet wide. The leaf blades are nearly hairless, except for long hairs on the blade bases, collars, and/or upper sheath margins. The flattened stem bases are whitish in contrast to ...
Pretty Purple Weeds One of the most common flowers in my lawn is
... releases a minty aroma. It grows in grassy lawns and does particularly well on top of mulch beds and around the base of trees and shrubs where the conditions tend to be shady and moist. ...
... releases a minty aroma. It grows in grassy lawns and does particularly well on top of mulch beds and around the base of trees and shrubs where the conditions tend to be shady and moist. ...
Seeds and germination - seed structure
... Cotyledons Modified leaves containing food reserves. Radicle Embryo root. Epicotyl The section of stem above the cotyledon stalk. Hypocotyl The section of stem below the cotyledon stalk. Germination is the process by which the embryo grows and develops, eventually becoming a fully mature plant. The ...
... Cotyledons Modified leaves containing food reserves. Radicle Embryo root. Epicotyl The section of stem above the cotyledon stalk. Hypocotyl The section of stem below the cotyledon stalk. Germination is the process by which the embryo grows and develops, eventually becoming a fully mature plant. The ...
Snapdragons
... removing spent blooms promote a bushy habit and a long flowering season. Rust is a foliar disease that forms “rust colored” spots on the undersides of leaves. This disease is about the only problem snapdragons have in our area. It can be controlled by planting rust-resistant varieties and leaving sp ...
... removing spent blooms promote a bushy habit and a long flowering season. Rust is a foliar disease that forms “rust colored” spots on the undersides of leaves. This disease is about the only problem snapdragons have in our area. It can be controlled by planting rust-resistant varieties and leaving sp ...
Need and Importance of Conservation of Endangered
... According to the Red list of Threatened Plants [UNEP, 1995], 19 species are already extinct and 1236 species are threatened. Of these, threatened 41 taxa are possibly extinct in the wild, 152 are endangered, 102 are vulnerable, 251 are rare, and 690 are indeterminate [D Ramprasad et al., 2012].Many ...
... According to the Red list of Threatened Plants [UNEP, 1995], 19 species are already extinct and 1236 species are threatened. Of these, threatened 41 taxa are possibly extinct in the wild, 152 are endangered, 102 are vulnerable, 251 are rare, and 690 are indeterminate [D Ramprasad et al., 2012].Many ...
Article - Invasive Species Council of BC
... Purple loosestrife is one of the most “unwanted” invasive plants impacting BC’s environment, economy, and society. In fact, invasive plants are the second greatest threat to biodiversity after habitat loss, according to the International Union for Conservation of Nature (IUCN). Purple loosestrife is ...
... Purple loosestrife is one of the most “unwanted” invasive plants impacting BC’s environment, economy, and society. In fact, invasive plants are the second greatest threat to biodiversity after habitat loss, according to the International Union for Conservation of Nature (IUCN). Purple loosestrife is ...
Floral Biology of Physaria ludoviciana (Brassicaceae), a Plant Rare
... 35 cm deep) using 100% High Porosity Mix or 1:1 High Porosity Mix:coarse silica sand. Since this plant is native to sand prairies, these deep pots were used to accommodate the deep root system com ...
... 35 cm deep) using 100% High Porosity Mix or 1:1 High Porosity Mix:coarse silica sand. Since this plant is native to sand prairies, these deep pots were used to accommodate the deep root system com ...
Roots
... The cell membranes of root hairs and other cells in the root epidermis contain active transport proteins. Active transport brings the mineral ions of dissolved nutrients from the soil into the plant. The high concentration of mineral ions in the plant cells causes water molecules to move into the pl ...
... The cell membranes of root hairs and other cells in the root epidermis contain active transport proteins. Active transport brings the mineral ions of dissolved nutrients from the soil into the plant. The high concentration of mineral ions in the plant cells causes water molecules to move into the pl ...
wholesale only - West Texas Plants
... Signature plant of the Southwest, its one of a kind look adds to any landscape where used. It remains decorative with or without leaves, which it can produce several times a year. Multiple whip-like spiny canes spring skyward from a central clustered base. Heat loving, growing to 20-feet tall, they ...
... Signature plant of the Southwest, its one of a kind look adds to any landscape where used. It remains decorative with or without leaves, which it can produce several times a year. Multiple whip-like spiny canes spring skyward from a central clustered base. Heat loving, growing to 20-feet tall, they ...
Greenhouse Power Point
... One in which the primary root grows down from the stem with some small secondary roots forming. ...
... One in which the primary root grows down from the stem with some small secondary roots forming. ...