Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Lecture5 - Utah Valley University Herbarium
Transcript
Utah Flora BOT2100 Lecture 5 Dicots I Including: Ranunculaceae Hydrophyllaceae Boraginaceae Utah Flora Dicots BOT2100 Flowering plants with a ovary wall (carpels) Corollas and calyx generally distinguishable sometimes one whorl is absent Flower parts in 2, 4 or 5’s Leaves generally with net-veined (branched) 2 cotyledons (1st leaves) Utah Flora 7 families Ranunculales 199 genera BOT2100 4,445 species Major Families Ranunculaceae – buttercups, larkspur, columbine Papaveraceae – poppies Berberidaceae – Berberis (trees), Oregon-grape Utah Flora Ranunculales BOT2100 Ranunculaceae Worldwide 62 genera 2,225 species Utah 13 genera ~75 species (Native and Introduced) •annual or perennial herbs •leaves alternate, simple or compound •flowers superior, hypanthium sometimes present, perfect, regular or irregular •petals 3 to many or absent •sepals sometimes petaloid Utah Flora Ranunculales Ranunculaceae BOT2100 Aquilegia Worldwide Utah (Native) 80 species ~16 species •perennial herbs from taproots •leaves alternate, ternately lobed to triternately compound (in 3’s) •flowers regular, showy •sepals 5, petaloid, not spurred •petals 5, spurred •stamens numerous Utah Flora Ranunculales Ranunculaceae Aquilegia coerulea •widespread montane species in Utah •sepals and spurs white or blue •stamens surpassing petals by 10-20 mm BOT2100 Utah Flora BOT2100 Ranunculales Ranunculaceae Delphinium Worldwide Utah (Native) 365 species ~6 species •annual or perennial herbs from taproots or tubers •leaves alternate, palmately lobed •flowers irregular, showy •sepals 5, petaloid, spurred •petals 4, in 2 pairs •stamens numerous Utah Flora Ranunculales Ranunculaceae Delphinium nuttallianum •most common Delphinium in Utah •stems fragile and narrowed at ground level (often hard to get roots) •leaves mostly basal BOT2100 Utah Flora Ranunculales Ranunculaceae BOT2100 Ranunculus Worldwide Utah (Native and Introduced) 600 species 27 species •annual or perennial herbs from taproots or fibrous roots •leaves of many types, simple to compound •flowers regular •sepals 3-5, sometimes petaloid, usually deciduous •petals 5-16 •stamens 5 or numerous Utah Flora Ranunculales Ranunculaceae BOT2100 Ranunculus adoneus •restricted to alpine sites, often near snowbanks in Utah •leaves highly palmately to sub-pinnately lobed, with many segments •sepals deciduous upon flowering, petals larger, to 12 mm long Utah Flora 25 families BOT2100 Lamiales 1,300 genera 26,300 species Major Families Boraginaceae – forget-me-not, Cryptantha Hydrophyllaceae – waterleaf, Phacelia Lamiaceae – mints, oregano, thyme, Salvia Scrophulariaceae – snapdragons, Digitalis, Penstemon Utah Flora Lamiales BOT2100 Hydrophyllaceae Worldwide Utah (Native or Introduced) 25 genera 960 species 9 genera ~50 species •annual, biennial or perennial herbs, rarely shrubs •leaves alternate, simple or compound •inflorescence commonly scorpioid cymes •flowers superior, perfect, regular •calyx fused, 5 lobed; corolla fused, 5 lobed, •stamens 5, sometimes exserted •fruit a capsule, seeds 1 to many Utah Flora Lamiales Hydrophyllaceae BOT2100 Phacelia Worldwide 150 species Utah ~40 species (Native) •annual, biennial or perennial herbs •leaves alternate, lower sometimes opposite, entire to pinnatifid •flowers regular •calyx 5-lobed, divided almost to base •corolla 5-lobed •stamens 5, exserted or included •seeds within capsules 4 or many Utah Flora Lamiales Boraginaceae Phacelia heterophylla •sagebrush valley & montane species •plants mostly biennial (sometimes flowering a 3rd year) •leaves basal and cauline, entire or with 1-4 pairs of pinnate lobes •corolla whitish, stamens exserted BOT2100 Utah Flora Lamiales BOT2100 Boraginaceae Worldwide Utah (Native or Introduced) 112 genera 1,600 species 18 genera ~100 species •annual, perennial herbs, rarely sub-shrubs •leaves alternate or opposite, simple •inflorescence commonly scorpioid cymes •flowers superior, perfect, regular •calyx fused, 5 lobed; corolla fused, 5 lobed •stamens 5, sometimes 4 •fruit nutlets, ovary breaking into 2-4, 1 seeded segments Utah Flora Lamiales Boraginaceae BOT2100 Mertensia Worldwide Utah (Native) 50 species 7 species •perennial herbs from fleshy, rhizome-like roots (tuber-like) •leaves entire, alternate •flowers regular •calyx 5-lobed, fused or divided almost to base •corolla 5-lobed •stamens 5 •nutlets 4 Utah Flora Lamiales Boraginaceae Mertensia arizonica •restricted to most sites, often in canyons •plants tall and robust •leaves large and glabrous •calyx not cleft to base, and longer than 5 mm BOT2100 Utah Flora Lamiales Boraginaceae BOT2100 Cryptantha Worldwide Utah (Native) 150 species 65 species •annual or perennial herbs taproots •leaves alternate or opposite, entire to deeply pinnately lobed •flowers regular •calyx 5-lobed, divided almost to base •corolla 5-lobed, fused •stamens 5 •nutlets 1-4 Utah Flora Lamiales Boraginaceae Cryptantha humilis •common Great Basin desert species •stems short and compact (caespitose) •leaves small, spatulate, mostly basal •calyx 3-5 mm long, corolla tube 3-5 mm long, and not exceeding calyx BOT2100 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)
