Utah Flora BOT2100 Lecture 7 Angiosperm Families III Including: Fabaceae Apiaceae Onagraceae Malvaceae

Utah Flora BOT2100 Major Families Fabaceae – garden peas, lupines, clovers Polygalaceae – milkworts Fabales 4 families 754 genera 20,055 species

Utah Flora BOT2100 Fabales Fabaceae Leguminosae Worldwide 730 genera 19,400 species Utah (Native and Introduced) 56 genera 216 species 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 Lathyrus Worldwide 150 species Utah (Native and Introduced) 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 Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Lathyrus brachycalyx sagebrush valley & montane species plants perennial herbs with tendrils corolla purplish, mm long Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Melilotus Worldwide 20 species Utah (Introduced) 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) Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Melilotus officinalis weedy exotic species corolla yellow, 3-7 mm long pods straight, ovoid (egg-shaped) Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Trifolium Worldwide 240 species Utah (Native and Introduced) 18 species 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 Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Trifolium longipes montane species plants perennial herbs heads without a toothed involucre calyx villosulous corolla purplish, mm long Fabales Fabaceae Leguminosae

Utah Flora BOT2100 Major Families Onagraceae – evening primrose, suncups Lythraceae – loosetrife (noxious weed) Myrtaceae – Eucalyptus, Melaleuca (leaves of trees used as herbal remedies) Myrtales 9 families 380 genera 11,027 species

Utah Flora BOT2100 Myrtales Onagraceae Worldwide 22 genera 656 species Utah (Native and Introduced) 10 genera 63 species 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 BOT2100 Oenothera Worldwide 145 species Utah (Native) 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 Myrtales Onagraceae

Utah Flora BOT2100 Oenothera caespitosa desert to sagebrush valley species plants acaulescent (without stems) corolla white, cm long Myrtales Onagraceae

Utah Flora BOT2100 Epilobium Worldwide 165 species Utah (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 Myrtales Onagraceae

Utah Flora BOT2100 Epilobium angustifolium montane species plants erect, rhizomatous corolla mm long Myrtales Onagraceae

Utah Flora BOT2100 Major Families Apiaceae – carrots, parsley Araliaceae – ginseng Apiales 7 families 494 genera 5489 species

Utah Flora BOT2100 Apiales Apiaceae Umbelliferae Worldwide 434 genera 3780 species Utah (Native and Introduced) 27 genera 72 species 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 BOT2100 Angelica Worldwide 110 species Utah (Native) 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 Apiales Apiaceae Umbelliferae

Utah Flora BOT2100 Angelica kingii montane species leaflets lanceolate, toothed or lobed umbels 7-20 rayed Apiales Apiaceae Umbelliferae

Utah Flora BOT2100 Major Families Malvaceae – Hibiscus, hops, hollyhocks This is the only family of this group found in Utah, as a native or introduced Malvales 10 families 338 genera 6005 species

Utah Flora BOT2100 Malvales Malvaceae Worldwide 243 genera 4,500 species Utah (Native and Introduced) 12 genera 25 species 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 Sphaeralcea Worldwide 30 species Utah (Native) ~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 Malvales Malvaceae

Utah Flora BOT2100 Sphaeralcea coccinea most common species of this genus in Utah rhizomatous perennial leaves deeply 3-5 lobed inflorescence a thrysoid cyme Malvales Malvaceae

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 BOT2100 Quiz 3 Part B 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)