Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Lecture7 - Utah Valley University Herbarium
Transcript
Utah Flora BOT2100 Lecture 7 Angiosperm Families III Including: Fabaceae Apiaceae Onagraceae Malvaceae Utah Flora Fabales 4 families 754 genera Major Families Fabaceae – garden peas, lupines, clovers Polygalaceae – milkworts BOT2100 20,055 species Utah Flora Fabales Fabaceae Worldwide Utah BOT2100 Leguminosae 730 genera 19,400 species 56 genera 216 species (Native and Introduced) •annuals, perennial herbs, shrubs, or trees •leaves alternate, pinnately or palmately compound, rarely simple •inflorescence in racemes •flowers superior, perfect, irregular •calyx fused, 5 lobed, often 2-lipped •corolla of 5 petals, 2 fused, 3 seperate (banner, wings, and keel) •stamens 5 or 10, filaments fused in a tube •fruit a legume or loment (pods formed from 2 carpels) Utah Flora BOT2100 Fabales Fabaceae Leguminosae Lathyrus Worldwide Utah (Native and Introduced) 150 species 7 species •annual or perennial herbs with tendrils •leaves even-pinnate •pinnately compound with a even number of leaflets •terminal leaflet replaced by a tendril •flowers white, pink, or lavender •style bearded down one side •sister genus, Vicia, is identical except style is bearded at apex only Utah Flora BOT2100 Fabales Fabaceae Leguminosae Lathyrus brachycalyx •sagebrush valley & montane species •plants perennial herbs with tendrils •corolla purplish, 15-30 mm long Utah Flora BOT2100 Fabales Fabaceae Leguminosae Melilotus Worldwide Utah (Introduced) 20 species 3 species •annual herbs, herbage non-glandular •leaflets 3, pinnately compound, the terminal leaflet petioliate •leaflets with toothed margins •inflorescence racemose, several times longer than wide •pods straight, ovoid (egg-shaped) Utah Flora BOT2100 Fabales Fabaceae Leguminosae Melilotus officinalis •weedy exotic species •corolla yellow, 3-7 mm long •pods straight, ovoid (egg-shaped) Utah Flora BOT2100 Fabales Fabaceae Leguminosae Trifolium Worldwide Utah (Native and Introduced) •annual or perennial herbs •leaves palmately or pinnately compound; •leaflets 3, with toothed margins •flowers in dense, capitate racemes, •sometimes involucrate (with bracts) •corollas white, pink, or lavender •legumes small, generally 1 to 3 seeded 240 species 18 species Utah Flora BOT2100 Fabales Fabaceae Leguminosae Trifolium longipes •montane species •plants perennial herbs •heads without a toothed involucre •calyx villosulous •corolla purplish, 10-12 mm long Utah Flora 9 families Myrtales 380 genera BOT2100 11,027 species Major Families Onagraceae – evening primrose, suncups Lythraceae – loosetrife (noxious weed) Myrtaceae – Eucalyptus, Melaleuca (leaves of trees used as herbal remedies) Utah Flora Myrtales BOT2100 Onagraceae Worldwide 22 genera 656 species Utah 10 genera 63 species (Native and Introduced) •annuals or perennial herbs, rarely shrubs •leaves alternate or opposite, simple or pinnately compound •inflorescence solitary or in racemes, often axillary •flowers inferior, perfect, regular •calyx of 4 sepals, separate; corolla of 4 petals, separate •stamens 4 or 8 •fruit a capsule Utah Flora Myrtales Onagraceae BOT2100 Oenothera Worldwide Utah (Native) 145 species 18 species •annual, biennial, or perennial herbs •leaves alternate, simple or compound, often clustered at base of stem •flowers solitary •corollas white, yellow, pink, or lavender, often opening in evening Utah Flora Myrtales Onagraceae Oenothera caespitosa •desert to sagebrush valley species •plants acaulescent (without stems) •corolla white, 2.5-6 cm long BOT2100 Utah Flora BOT2100 Myrtales Onagraceae Epilobium Worldwide Utah 165 species (Native) 14 species •annual, biennial, or perennial herbs •leaves opposite (sometimes upper ones alternate), simple •flowers solitary & axillary or in terminal racemes •fruit a elongate capsule; seeds with a tuft of hairs Utah Flora Myrtales Onagraceae Epilobium angustifolium •montane species •plants erect, rhizomatous •corolla 10-30 mm long BOT2100 Utah Flora 7 families Apiales 494 genera Major Families Apiaceae – carrots, parsley Araliaceae – ginseng BOT2100 5489 species Utah Flora Apiales Apiaceae Worldwide Utah BOT2100 Umbelliferae 434 genera 3780 species 27 genera 72 species (Native and Introduced) •annual or perennial herbs •leaves alternate, simple or pinnately compound •inflorescence in compound umbels •flowers inferior, perfect, regular •calyx of 5 sepals, separate; corolla of 5 petals, separate •stamens 5 •fruit a schizocarp (dry fruit which splits into 2 to many, 1 seeded segments Utah Flora Apiales Apiaceae BOT2100 Umbelliferae Angelica Worldwide Utah (Native) 110 species 4 species •perennial herbs, caulescent •leaves alternate, often with a broad sheath, pinnately compound •inflorescence a compound umbel •fruit a schizocarp, the dorsal and lateral ribs with small wings Utah Flora Apiales Apiaceae Angelica kingii •montane species •leaflets lanceolate, toothed or lobed •umbels 7-20 rayed BOT2100 Umbelliferae Utah Flora 10 families Malvales 338 genera BOT2100 6005 species Major Families Malvaceae – Hibiscus, hops, hollyhocks This is the only family of this group found in Utah, as a native or introduced Utah Flora BOT2100 Malvales Malvaceae Worldwide Utah 243 genera 4,500 species 12 genera 25 species (Native and Introduced) •annuals, perennial herbs, or shrubs; herbage with stellate hairs •leaves alternate, simple or palmately lobed •inflorescence in solitary or racemes or cymes •flowers superior, perfect, regular •calyx of 5 sepals, separate; corolla of 5 petals, separate •stamens numerous, filaments fused into a sheath around the style •fruit a schizocarp (dry fruit which splits into many, 1 seeded segments Utah Flora BOT2100 Malvales Malvaceae Sphaeralcea Worldwide Utah (Native) 30 species ~17 species •perennial herbs, herbage with often dense stellate hairs •leaves alternate, palmately lobed to nearly compound •inflorescence a cyme, often with leafy bracts •racemose cymes – with one flower per node •thyrsoid cymes – with two or more flowers per node •fruit a schizocarp Utah Flora Malvales Malvaceae Sphaeralcea coccinea •most common species of this genus in Utah •rhizomatous perennial •leaves deeply 3-5 lobed •inflorescence a thrysoid cyme BOT2100 Utah Flora BOT2100 Quiz 3 Part A On the sheet of paper provided, please answer the following questions (spelling counts): 1. To which family does this specimen belong? 2. ? 3. ? Utah Flora Quiz 3 Part B BOT2100 1. On a new sheet, please determine this specimen to genus (spelling counts). This specimen belongs to family: 2. If time remains, for extra credit, determine this specimen to species You may use your Utah Flora, your notes, or any other handouts provided in class for Part B Utah Flora BOT2100 Assignment •Draw and label species provided in lab •Make sure to label those morphological features that helped you identify the sample (the characters in the key) •Identify & label all samples to family and genus •For Practice: use A Utah Flora to identify & label all samples to species (other than any we determined in class together)
