Thelypodium integrifolium subsp. integrifolium |
Brassicaceae tribe Thelypodieae |
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entire-leaf thelypody |
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Habit | Annuals, biennials, perennials, shrubs, or subshrubs; eglandular. | |
Cauline leaves | petiolate or sessile; blade base auriculate or not, margins entire, dentate, or pinnately lobed. |
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Trichomes | usually simple, rarely forked or dendritic [subdendritic], sometimes absent. |
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Racemes | elongated or sub-umbellate in fruit; central rachis (0.5–)1.2–10(–25) cm. |
usually ebracteate, often elongated in fruit. |
Flowers | petals usually lavender to purple, rarely white, (4.5–)5.5–8(–10.5) mm; gynophore stout, 0.5–1.2(–2.5). |
usually actinomorphic, rarely zygomorphic; sepals erect, ascending, spreading, or reflexed, lateral pair saccate or not basally; petals white, yellow, orange, pink, lilac, lavender, purple, green, brown, or nearly black, claw present, often distinct; filaments unappendaged, not winged; pollen 3-colpate. |
Fruiting pedicels | usually divaricate to divaricate-ascending, rarelyhorizontal, straight or slightly incurved, not whitish,often slender, sometimes stout, (4–)6–10(–13) mm, not or slightly flattened at base. |
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Fruits | divaricate-ascending to ascending, straight or incurved, (1–)1.5–3(–4) cm. |
usually siliques, rarely silicles, usually dehiscent, unsegmented, usually terete, 4-angled, or latiseptate; ovules 1–210[–numerous] per ovary; style obsolete, distinct, or absent; stigma usually entire or 2-lobed (subentire in Sibaropsis, Streptanthella). |
Seeds | usually biseriate or uniseriate, rarely aseriate; cotyledons accumbent or incumbent. |
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2n | = 26. |
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Thelypodium integrifolium subsp. integrifolium |
Brassicaceae tribe Thelypodieae |
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Phenology | Flowering Jun–Sep. | |
Habitat | Alkaline grounds and flats, desert shrub communities, barren hillsides, mineralized grounds near hot springs | |
Elevation | 600-2500 m (2000-8200 ft) | |
Distribution |
CO; ID; MT; ND; NE; OR; SD; UT; WA; WY |
North America; Mexico; Central America; South America |
Discussion | Genera 27, species ca. 215 (14 genera, 105 species in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 7, p. 733. | FNA vol. 7, p. 676. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Pleurophragma lilacinum, T. lilacinum, T. lilacinum var. subumbellatum | |
Name authority | unknown | Prantl: in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 55[III,2]: 155. (1891) |
Web links |