Thelypodium crispum |
Thelypodium repandum |
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crisp thelypody, crisped thelypody, wavy leaf thelypodium |
wavyleaf thelypody |
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Habit | Biennials or perennials; (short-lived); often glaucous, glabrous or pubescent. | Biennials or perennials; (short-lived); distinctly glaucous throughout, glabrous. |
Stems | branched, (0.9–)1.3–7(–12) dm, (somewhat glaucous, glabrous throughout or pubescent basally). |
usually branched distally, 1–4.4(–6) dm. |
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. |
(and proximal cauline): petiole 1–4(–6) cm; blade (fleshy), usually ovate or obovate, rarely orbicular or spatulate, (2.2–)4–10.5(–14) cm × (10–)15–43(–55) mm, margins usually lyrate, sinuate and repand, or dentate, rarely entire. |
Cauline leaves | sessile; blade linear to lanceolate, smaller distally, (base sagittate or auriculate, appressed to stem), margins usually entire, rarely dentate. |
shortly petiolate; blade lanceolate or elliptic, much smaller than basal, margins entire or repand. |
Racemes | dense, elongated in fruit, (flower buds narrowly oblong). |
somewhat lax, slightly elongated in fruit. |
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 spreading to reflexed, oblong, (2.5–)3–4 × (0.8–)1–1.5(–1.8) mm; petals purple or lavender, usually oblanceolate, rarely spatulate, (2.5–)3–4.5 × 0.5–1 mm, margins not crisped, claw differentiated from blade; nectar glands confluent; filaments subequal, 2.5–3.8 mm; anthers oblong, 1–1.8 mm; gynophore 0.5–0.8(–1) 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. |
divaricate to divaricate-ascending, straight or incurved, slender, 4–12(–15) 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. |
usually erect to ascending, rarely divaricate, torulose, straight or, sometimes, incurved, flattened, (2–)4–7.4 cm × 1–1.5(–1.8) mm, (replum not constricted between seeds); ovules 32–44 per ovary; style subclavate, 0.5–1.2(–1.5) mm. |
Seeds | (flattened), 1–1.5(–1.7) × 0.5–0.7(–1) mm. |
(0.7–)1–1.5 × 0.5–0.8 mm. |
2n | = 26. |
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Thelypodium crispum |
Thelypodium repandum |
|
Phenology | Flowering Jun–Aug. | Flowering Jun. |
Habitat | Alkaline meadows and desert flats, mineralized ground near hot springs, desert shrub communities | Decomposing shale banks |
Elevation | 1200-3000(-3200) m (3900-9800(-10500) ft) | ca. 1700 m (ca. 5600 ft) |
Distribution |
CA; NV
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ID |
Discussion | Thelypodium repandum is known from the shale banks of the Salmon River and its tributaries in Custer County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 7, p. 730. | FNA vol. 7, p. 736. |
Parent taxa | Brassicaceae > tribe Thelypodieae > Thelypodium | Brassicaceae > tribe Thelypodieae > Thelypodium |
Sibling taxa | ||
Synonyms | Thelypodiopsis crispa, T. brachycarpum var. crispum | |
Name authority | Greene ex Payson: Ann. Missouri Bot. Gard. 9: 264. (1923) | Rollins: Contr. Dudley Herb. 3: 371. (1946) |
Web links |