Utah Flora BOT2100

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

2. Utah Flora BOT2100 Fabales 4 families754 genera 20,055 species Major Families Fabaceae – garden peas, lupines, clovers Polygalaceae– milkworts

3. Utah Flora BOT2100 Fabales • Fabaceae Leguminosae • Worldwide730 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)

4. Utah Flora BOT2100 Fabales Fabaceae Leguminosae • Lathyrus • Worldwide150 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

5. Utah Flora BOT2100 Fabales Fabaceae Leguminosae • Lathyrus brachycalyx • sagebrush valley & montane species • plants perennial herbs with tendrils • corolla purplish, 15-30 mm long

6. Utah Flora BOT2100 Fabales Fabaceae Leguminosae • 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)

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

8. Utah Flora BOT2100 Fabales Fabaceae Leguminosae • 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

9. 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

10. Utah Flora BOT2100 Myrtales 9 families380 genera 11,027 species Major Families Onagraceae – evening primrose, suncups Lythraceae – loosetrife (noxious weed) Myrtaceae– Eucalyptus, Melaleuca (leaves of trees used as herbal remedies)

11. Utah Flora BOT2100 Myrtales • Onagraceae • Worldwide22 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

12. Utah Flora BOT2100 Myrtales Onagraceae • 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

13. Utah Flora BOT2100 Myrtales Onagraceae • Oenothera caespitosa • desert to sagebrush valley species • plants acaulescent (without stems) • corolla white, 2.5-6 cm long

14. Utah Flora BOT2100 Myrtales Onagraceae • 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

15. Utah Flora BOT2100 Myrtales Onagraceae • Epilobium angustifolium • montane species • plants erect, rhizomatous • corolla 10-30 mm long

16. Utah Flora BOT2100 Apiales 7 families494 genera 5489 species Major Families Apiaceae – carrots, parsley Araliaceae – ginseng

17. Utah Flora BOT2100 Apiales • Apiaceae Umbelliferae • Worldwide434 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

18. Utah Flora BOT2100 Apiales Apiaceae Umbelliferae • 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

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

20. Utah Flora BOT2100 Malvales 10 families338 genera 6005 species Major Families Malvaceae – Hibiscus, hops, hollyhocks This is the only family of this group found in Utah, as a native or introduced

21. Utah Flora BOT2100 Malvales • Malvaceae • Worldwide243 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

22. Utah Flora BOT2100 Malvales Malvaceae • 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

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

24. Utah Flora BOT2100 Quiz 3 Part A • On the sheet of paper provided, please answer the following questions (spelling counts): • To which family does this specimen belong? • ? • ?

25. Utah Flora BOT2100 Quiz 3 Part B • 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

26. 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)