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Liliaceae
Liliaceae

... The leaves are well developed or much reduced. The lilies are perennial with a basal aggregation of leaves, or with neither basal nor terminal aggregation of leaves. The leaves are nearly always alternate, opposite or whorled. Inflorescence, flowers The flowers are solitary, or aggregated in ‘inflor ...
UNIT 4: PLANTAE: Chapters 9, 10, 11
UNIT 4: PLANTAE: Chapters 9, 10, 11

... 1) Pollen grains (n) with wings, produced by meiosis in the male cone, are released into the wind. 2) Pollen grains (n) land on the female cone, pollen is trapped in the sap & the pollen tube grows toward the ovule. 3) Sperm is released from the pollen tube & unites with the egg to form a zygote (2n ...
OXALIS PES-CAPRAE - African Traditional Medicine
OXALIS PES-CAPRAE - African Traditional Medicine

... borne on long petioles 5-22 cm long and consist of three heart-shaped leaflets. The leaflets are 5-30 mm long and 4-35 mm wide, mostly green in colour, and fold downwards during darkness. They are hairless with entire margins and deeply-notched. The bright yellow flowers are 25-40 mm across and born ...
Unit 5B: Life Cycles
Unit 5B: Life Cycles

... where the pollen tubes grow ...
Lab 7: Plant form and function
Lab 7: Plant form and function

... Greenhouse. Some of the large, flat leaves of ferns are purely vegetative. They have cells and tissues specialized for photosynthesis. Some leaves are also reproductive, and these are referred to as sporophylls. To identify sporophylls, look on the lower side of the leaves for small dots, called sor ...
identifying ohio`s noxious weeds
identifying ohio`s noxious weeds

... with peitoles that are longer than the leaves. The leaves of the palmer amaranth are also without hairs. Life cycle: summer annual Habitat: native grasslands, pastures, fields, disturbed areas, waste areas, open woods, meadows, and roadsides. Flower: small, green, inconspicuous flowers are produced ...
topic6 BIOL1030NR
topic6 BIOL1030NR

... surviving megaspore develops over about one year into female gametophyte with sometimes thousands of cells ...
seed plants
seed plants

... Flower structure ...
Slide 1
Slide 1

... Figure 38.4 The development of angiosperm gametophytes (pollen grains and embryo sacs) (a) Development of a male gametophyte (pollen grain). Pollen grains develop within the microsporangia (pollen sacs) of anthers at the tips of the stamens. Pollen sac (microsporangium) ...
Odin Viking Aster
Odin Viking Aster

... Odin Viking Aster is a dense herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage. This is a relatively low maintenance perennial, and is best cleaned up in early spring before it resumes active g ...
Otto Luyken Dwarf Cherry Laurel
Otto Luyken Dwarf Cherry Laurel

... Otto Luyken Dwarf Cherry Laurel will grow to be about 4 feet tall at maturity, with a spread of 7 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a medium rate, and under ideal conditions can be expected to live for 50 years ...
The “Evolution” of Seed Plants
The “Evolution” of Seed Plants

... According to the theory of evolution, flowers evolved in the Cretaceous Period about 130 MYBP ...
Nelumbo nucifera
Nelumbo nucifera

... Botanically, Nelumbo nucifera (Gaertn.) may also be referred to by its former names, Nelumbium speciosum (Wild.) or Nymphaea nelumbo. This plant is an aquatic perennial. ...
Citronelle Coral Bells
Citronelle Coral Bells

... flowers, with a spread of 15 inches. Its foliage tends to remain low and dense right to the ground. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. This perennial performs well in both full sun and full shade. It prefers to grow in average to ...
Bannock County Noxious Weed Control
Bannock County Noxious Weed Control

... vertical and horizontal roots. Leaves are bluish-green, oblong & up to 6 inches long; upper leaves are narrow & may have fine hair. Flowers are white, pink, or lavender-blue lavender blue disk-shaped disk shaped on branch tips; flower head is urn-shaped. Seeds are ivory or pale-gray achenes tipped b ...
20.2 Classification of Plants
20.2 Classification of Plants

... Flowering plants have unique adaptations that allow them to dominate in today’s world. • Flowers allow for efficient pollination. – animals feed on pollen or nectar – pollen is spread from plant to plant in process ...
A Guide to Woodland Plants - Credit Valley Conservation
A Guide to Woodland Plants - Credit Valley Conservation

... the base of the plant. Flowering stalk ends with usually three, but sometimes two to seven, globe-like flower clusters. Each globe-like flower cluster is comprised of 25 or more small white flowers. Fruit are a cluster of berries less than 1cm in size, green turning purple-black in mid to late summe ...
Description - Fairbanks Soil and Water Conservation District
Description - Fairbanks Soil and Water Conservation District

... Light: Prefers full sun but can handle partial shade Moisture: Prefers a moist, well-drained soil, but can tolerate dryness Soil Requirements: Rugosa roses prefer a rich, well-draining soil with slight acidity of around 5.6 to 6.5 soil pH. However they are very forgiving and can tolerate poor soil, ...
Paterson`s Curse Fact Sheet
Paterson`s Curse Fact Sheet

... Reproduction is from seed. Patersonʼs curse is a winter annual or occasionally biennial herb which grows vegetatively as a rosette before producing one or several flowering stems in spring. Most seed germination occurs between mid summer and late autumn, although it may also occur at any other time o ...
61 A woody plant usually with a single stem (trunk) exceeding eight
61 A woody plant usually with a single stem (trunk) exceeding eight

... Shrub, usually growing to about 6m, with many branches arising from near the ground. Habitat Thrives in warm moist locations but once established is tolerant of very dry conditions. Leaves Whorled on the stem, and when broken exude a milky white sap. Flowers Can be white, pink, red, or ...
Nova Scotia Noxious Weeds Common Milkweed
Nova Scotia Noxious Weeds Common Milkweed

... Mechanical control of common milkweed, such as cutting or clipping, simply leads to the creation of larger colonies from the rootstocks of the plant. Continuous cultivation will eventually deplete food reserves in the rootstocks. Various herbicides are recommended for control of common milkweed. Gly ...
Limonium perezii (Stapf.) Hubb., SEA
Limonium perezii (Stapf.) Hubb., SEA

... hemispheric canopy having leaves on short, woody stem (to 150 mm long), glabrous (puberulent in inflorescence) with salt glands on leaves. Stems: cylindric, hidden by overlapping petiole base, to 20 mm diameter. Leaves: helically alternate, simple, longpetiolate, without stipules; petiole ± cylindri ...
Introduction to Plants - Clark Pleasant Community School Corp
Introduction to Plants - Clark Pleasant Community School Corp

... • No flowers • Cones may be fleshy and brightly colored • Some consider them to be a “bridge” to angiosperms ...
Oligoneuron rigidum, aka Solidago rigida
Oligoneuron rigidum, aka Solidago rigida

... fun and educational activity and provides natural habitat for wildlife and pollinator species. Meadow wildflowers provide valuable natural habitat for a variety of wildlife and are an essential part of maintaining healthy biodiversity. They attract a group of important wildlife recognized as pollina ...
Adelaide gardens - naturalresources.sa.gov.au
Adelaide gardens - naturalresources.sa.gov.au

... which common garden plants are nasties in your local environment. You might like to remove any you have and replace them with the indigenous plants suggested. Take this guide with you when making new plant purchases and don’t buy plants which are known to be a problem. Here are some other easy thing ...
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Flower



A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Magnoliophyta, also called angiosperms). The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs. Flowers may facilitate outcrossing (fusion of sperm and eggs from different individuals in a population) or allow selfing (fusion of sperm and egg from the same flower). Some flowers produce diaspores without fertilization (parthenocarpy). Flowers contain sporangia and are the site where gametophytes develop. Flowers give rise to fruit and seeds. Many flowers have evolved to be attractive to animals, so as to cause them to be vectors for the transfer of pollen.In addition to facilitating the reproduction of flowering plants, flowers have long been admired and used by humans to beautify their environment, and also as objects of romance, ritual, religion, medicine and as a source of food.
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