Thelypodium crispum |
Thelypodium paniculatum |
|
---|---|---|
crisp thelypody, crisped thelypody, wavy leaf thelypodium |
northwestern thelypody |
|
Habit | Biennials or perennials; (short-lived); often glaucous, glabrous or pubescent. | Biennials or perennials; (short-lived); glaucous, glabrous or sparsely pubescent. |
Stems | branched, (0.9–)1.3–7(–12) dm, (somewhat glaucous, glabrous throughout or pubescent basally). |
branched often proximally and distally, (1.4–)2–6.5(–7.5) dm, (glabrous or pubescent). |
Basal leaves | petiole (0.7–)2–8.5 cm, ciliate; blade usually oblanceolate to spatulate, rarely obovate or lanceolate, (1.5–)2.2–15(–25) cm × (6–)10–35(–50) mm, margins often pinnately lobed to lyrate, sometimes dentate or entire. |
petiole (0.8–)2–4(–6.5) cm, ciliate; blade usually oblanceolate, rarely spatulate or oblong, (3–)6–15(–22) cm × (6–)10–25(–40) mm, margins entire, (surfaces glabrous). |
Cauline leaves | sessile; blade linear to lanceolate, smaller distally, (base sagittate or auriculate, appressed to stem), margins usually entire, rarely dentate. |
(ascending); sessile; blade lanceolate to linear-lanceolate, (1.7–)2.2–6(–9) cm × (3–)5–15(–30) mm, (base sagittate to somewhat amplexicaul), margins entire, (surfaces glabrous). |
Racemes | dense, elongated in fruit, (flower buds narrowly oblong). |
corymbose, dense, terminal not elongated in fruit, (flower buds ovate). |
Flowers | sepals erect to ascending, oblong to linear-oblong, (3–)3.5–6(–8) × (0.8–)1–1.8(–2) mm; petals white to lavender, linear to narrowly oblanceolate, (6–)6.5–11(–14.5) × 0.5–0.7(–1) mm, margins strongly crisped, claw differentiated from blade, (slender, 2–4 mm, narrowest at base); nectar glands surrounding bases of lateral stamens, median glands absent; filaments subequal, (2.5–)4.5–8.5(–10.5) mm; anthers exserted, linear to narrowly oblong, 2–3.5(–4.5) mm, circinately coiled, (apiculate); gynophore 0.5–1.5(–3.5) mm. |
sepals erect, ovate to oblong-ovate, (3–)3.5–5(–6) × (1–)1.5–2 mm; petals lavender to purple, spatulate to broadly obovate, (6.5–)8–11.5(–14) × 2.5–5(–6) mm, margins not crisped, claw strongly differentiated from blade, [slender, (2–)2.5–4(–5) mm, narrowest at base]; nectar glands confluent, subtending bases of stamens; filaments tetradynamous, median pairs (3–)3.5–5(–6) mm, lateral pair (2–)2.5–4(–5) mm; anthers included, ovate to ovate-oblong, 1–2 mm, not circinately coiled; gynophore (stout), 0.5–0.8(–1.2) mm. |
Fruiting pedicels | erect to erect-ascending, (appressed to rachis at least basally), straight or slightly curved, slender, (1.5–)2–5(–10) mm, not flattened at base. |
usually horizontal to divaricate, rarely divaricate-ascending, often curved upward, slender, 6–11.5(–17) mm, slightly flattened at base. |
Fruits | divaricate to ascending, torulose, straight or slightly curved, terete, (0.6–)1–2.5(–4.2) cm × 0.7–1(–1.8) mm; ovules 22–50 per ovary; style cylindrical, 0.5–1.5(–2.5) mm. |
erect, slightly torulose, usually slightly incurved, rarely straight, terete, (1–)1.3–3.2(–5) cm × (0.8–)1.5–2.3 mm; ovules 20–30 per ovary; style cylindrical, (0.5–)1.5–1.7(–3) mm. |
Seeds | (flattened), 1–1.5(–1.7) × 0.5–0.7(–1) mm. |
(plump), (1.3–)1.5–2 × 0.8–1 mm. |
2n | = 26. |
|
Thelypodium crispum |
Thelypodium paniculatum |
|
Phenology | Flowering Jun–Aug. | Flowering Jun–Jul. |
Habitat | Alkaline meadows and desert flats, mineralized ground near hot springs, desert shrub communities | Wet sedge meadows, streamsides |
Elevation | 1200-3000(-3200) m (3900-9800(-10500) ft) | 1800-2800 m (5900-9200 ft) |
Distribution |
CA; NV
|
CO; ID; MT; WY |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 7, p. 730. | FNA vol. 7, p. 735. |
Parent taxa | Brassicaceae > tribe Thelypodieae > Thelypodium | Brassicaceae > tribe Thelypodieae > Thelypodium |
Sibling taxa | ||
Synonyms | Thelypodiopsis crispa, T. brachycarpum var. crispum | Thelypodiopsis paniculata, T. sagittatum var. crassicarpum |
Name authority | Greene ex Payson: Ann. Missouri Bot. Gard. 9: 264. (1923) | A. Nelson: Bull. Torrey Bot. Club 26: 126. (1899) |
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