Thelypodium brachycarpum |
Thelypodium crispum |
|
---|---|---|
short-pod thelypodium, short-pod thelypody |
crisp thelypody, crisped thelypody, wavy leaf thelypodium |
|
Habit | Biennials; often glaucous, glabrous or pubescent. | Biennials or perennials; (short-lived); often glaucous, glabrous or pubescent. |
Stems | branched, (1.3–)3.4–8.3(–12) dm, (somewhat glaucous, glabrous throughout or pubescent proximally). |
branched, (0.9–)1.3–7(–12) dm, (somewhat glaucous, glabrous throughout or pubescent basally). |
Basal leaves | petiole (1.5–)2–5.2(–9) cm, glabrous or pubescent; blade usually oblanceolate to spatulate, rarely obovate or lanceolate, 3.3–14(–20) cm × (05–)10–32(–47) mm, margins often pinnately lobed to lyrate, sometimes dentate or entire. |
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. |
Cauline leaves | sessile; blade linear to lanceolate, smaller distally, (base sagittate, appressed to stem), margins usually entire, rarely dentate. |
sessile; blade linear to lanceolate, smaller distally, (base sagittate or auriculate, appressed to stem), margins usually entire, rarely dentate. |
Racemes | dense, slightly elongated in fruit, (flower buds oblong). |
dense, elongated in fruit, (flower buds narrowly oblong). |
Flowers | sepals erect, lanceolate to linear-lanceolate or ovate, (3–)3.5–5(–5.5) × 1–1.5(–2) mm; petals white, linear to narrowly oblanceolate, 8–12.5(–16) × 0.3–0.5(–1) mm, margins strongly crisped, claw differentiated from blade, (slender, 2.5–4 mm, narrowest at base); nectar glands surrounding bases of lateral stamens, median glands absent; filaments subequal or slightly tetradynamous, 2.5–6.5(–10) mm; anthers exserted, linear, 1.5.–2(–2.5) mm, slightly circinately coiled, (apiculate); gynophore (0.5–)1–2(–5) mm. |
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. |
Fruiting pedicels | horizontal to divaricate, straight or slightly curved, stout, 1–2(–2.5) mm, flattened at base. |
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. |
Fruits | divaricate to ascending, torulose, often straight, sometimes slightly curved, terete, (0.8–)1.2–2.7(–3) cm × 1–1.5(–2) mm; ovules 12–26 per ovary; style cylindrical, (0.2–)0.5–1(–2.5) mm. |
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. |
Seeds | (plump), (1.3–)1.5–2 × 0.8–1(–1.3) mm. |
(flattened), 1–1.5(–1.7) × 0.5–0.7(–1) mm. |
2n | = 26. |
|
Thelypodium brachycarpum |
Thelypodium crispum |
|
Phenology | Flowering Apr–Aug. | Flowering Jun–Aug. |
Habitat | Strongly alkaline meadows and desert flats | Alkaline meadows and desert flats, mineralized ground near hot springs, desert shrub communities |
Elevation | 600-2300 m (2000-7500 ft) | 1200-3000(-3200) m (3900-9800(-10500) ft) |
Distribution |
CA; OR
|
CA; NV
|
Discussion | Thelypodium brachycarpum is known in California from Napa, Shasta, and Siskiyou counties and in Oregon from Klamath County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 7, p. 730. | FNA vol. 7, p. 730. |
Parent taxa | Brassicaceae > tribe Thelypodieae > Thelypodium | Brassicaceae > tribe Thelypodieae > Thelypodium |
Sibling taxa | ||
Synonyms | Thelypodiopsis brachycarpa, Thelypodiopsis brachypoda | Thelypodiopsis crispa, T. brachycarpum var. crispum |
Name authority | Torrey: in C. Wilkes et al., U.S. Expl. Exped. 17(2): 231, plate 1. (1874) | Greene ex Payson: Ann. Missouri Bot. Gard. 9: 264. (1923) |
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