TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual to shrub; hairs needle-like, stinging, or rough
Leaves alternate in CA, generally ± pinnately lobed; stipules 0
Inflorescence various
Flower bisexual, radial; sepals generally 5, generally persistent in fruit; petals generally 5, free or fused to each other or to filament tube; stamens 5many, filaments thread-like to flat, sometimes fused at base or in clusters; petal-like staminodes sometimes present; pistil 1, ovary inferior, chamber generally 1, placentas generally 3, parietal, style 1
Fruit: generally capsule (utricle)
Seeds 1many
Genera in family: 15 genera, ± 200 species: especially Am (Africa, Pacific)
Reference: [Ernst & Thompson 1963 J Arnold Arbor 44:138142]
Subshrub; hairs generally rough with whorls of fine barbs
Leaf linear to ± round, entire to toothed; base tapered to cordate
Inflorescence: raceme, generally terminal; bracts 3 per flower, outer 1 > inner 2
Flower: sepals ± deciduous; petals free or claws adherent, fused below blades; stamens generally 5, free; ovary ± ovoid, placenta 1, stigma 1
Fruit: utricle, ± ovoid, generally 5-veined or -ribbed, erect
Seed 1, 1.52.5 mm, ± fusiform, generally smooth
Chromosomes: n=23 for all species
Species in genus: 5 species: sw US, nw Mex
Etymology: (Greek: petal claw)
Reference: [Davis & Thompson 1967 Madroño 19:132]
Native |
Plant < 100 cm
Leaf clasping, 445 mm, lanceolate to deltate-ovate, acute to acuminate, entire to few-toothed
Inflorescence 14 cm; outer bract 47.5 mm, deltate-ovate; inner bracts 23 mm, lanceolate to ovate, tapered to cordate, acute to ± acuminate, crenate or lobed; pedicels < 1 mm
Flower: petals 2.56.5 mm, cream, claws adherent, fused in upper 1/5; stamens 410 mm, well exserted; style 311 mm
Ecology: Sandy or gravelly dunes, washes, canyons in creosote-bush scrub
Elevation: < 1200 m.
Bioregional distribution: Desert
Distribution outside California: Nevada, Arizona, nw Mexico
Native |
Hairs rough, appressed downward
Flower: stamens 610 mm
Ecology: Habitats and range of sp
Elevation:
Bioregional distribution: Desert
Flowering time: MayJul
Horticultural information: TRY.