Thelypodium integrifolium subsp. affine |
Thelypodium integrifolium |
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white entire leaf thelypodium |
entire leaf thelypodium, entire-leaf thelypody |
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Habit | Biennials; somewhat glaucous throughout, glabrous. | |||||||||||||||||
Stems | paniculately branched distally, (2–)4.5–17(–28) dm. |
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Basal leaves | petiole (0.5–)1.2–10(–15) cm; blade usually oblong to lanceolate, or oblanceolate to spatulate, rarely ovate or obovate, (3.7–)5–31(–54) cm × (12–)16–78(–140) mm, margins usually entire, rarely dentate or repand. |
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Cauline leaves | (ascending, not appressed to stem); sessile; blade linear to linear-lanceolate, (1–)2.2–8.3(–19.5) cm × (2–)3–11(–25) mm, (base cuneate to attenuate, not auriculate), margins entire. |
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Racemes | (congested), elongated in fruit; central rachis (3.7–)4.5–12(–16.5) cm. |
dense, slightly or considerably elongated in fruit, (flower buds narrowly oblong). |
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Flowers | petals white, (5–)6–9(–10) mm; gynophore stout, (0.5–)1–3 mm. |
sepals erect, linear to linear-oblong, (3–)3.5–5.5(–7.5) × (0.5–)0.8–1(–1.5) mm; petals white or lavender to purple, spatulate to oblanceolate, (4.5–)6–9(–13) × (0.5–)0.8–1.5(–2.3) mm, margins not crisped, claw differentiated from blade, [slender, (2–)3–4.5(–7) mm, narrowest at base]; nectar glands lateral, flat or toothlike, median glands absent; filaments subequal to slightly tetradynamous, (3–)4.5–7.5(–12.5) mm; anthers exserted, linear to narrowly oblong, (1–)1.5–2.5(–4.5) mm, not circinately coiled; gynophore 0.5–2(–5.5) mm. |
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Fruiting pedicels | horizontal to divaricate, straight, whitish, stout, (5–)6–9(–13) mm, moderately flattened at base. |
usually horizontal to divaricate, rarely ascending or reflexed, usually straight, rarely incurved, slender or stout, (2–)3–9(–13) mm, often strongly flattened, rarely not flattened at base. |
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Fruits | usually horizontal or divaricate, rarely divaricate-ascending, incurved, (1.4–)1.9–3.7(–4.5) cm. |
usually horizontal to divaricate-ascending, or ascending, rarely reflexed, usually torulose, rarely submoniliform, usually strongly incurved, sometimes straight, rarely arcuate, terete, (0.8–)1.4–6.5(–8) cm × 1–1.3(–2) mm; ovules 14–40 per ovary; style usually cylindrical, rarely subclavate, 0.5–1.3(–3.2) mm. |
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Seeds | (1–)1.2–2(–2.3) × 0.7–1(–1.3) mm. |
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2n | = 26. |
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Thelypodium integrifolium subsp. affine |
Thelypodium integrifolium |
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Phenology | Flowering Jun–Oct. | |||||||||||||||||
Habitat | Desert flats, shrub communities, alkaline grounds | |||||||||||||||||
Elevation | 600-1800 m (2000-5900 ft) | |||||||||||||||||
Distribution |
CA; NV; UT |
AZ; CA; CO; ID; MT; ND; NE; NM; NV; OR; SD; UT; WA; WY
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Discussion | Subspecies 5 (5 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 7, p. 733. | FNA vol. 7, p. 732. | ||||||||||||||||
Parent taxa | ||||||||||||||||||
Sibling taxa | ||||||||||||||||||
Subordinate taxa | ||||||||||||||||||
Synonyms | T. affine, Pleurophragma rhomboideum, T. integrifolium var. affine, T. rhomboideum | Pachypodium integrifolium, Pleurophragma integrifolium | ||||||||||||||||
Name authority | (Greene) Al-Shehbaz: Contr. Gray Herb. 204: 110. (1973) | (Nuttall) Endlicher: in W. G. Walpers, Repert. Bot. Syst. 1: 172. (1842) | ||||||||||||||||
Web links |