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crisp thelypody, crisped thelypody, wavy leaf thelypodium

wavyleaf thelypody

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.

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
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
ID
[BONAP county map]
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.)

Source FNA vol. 7, p. 730. FNA vol. 7, p. 736.
Parent taxa Brassicaceae > tribe Thelypodieae > Thelypodium Brassicaceae > tribe Thelypodieae > Thelypodium
Sibling taxa
T. brachycarpum, T. eucosmum, T. flexuosum, T. howellii, T. integrifolium, T. laciniatum, T. laxiflorum, T. milleflorum, T. paniculatum, T. repandum, T. rollinsii, T. sagittatum, T. stenopetalum, T. texanum, T. wrightii
T. brachycarpum, T. crispum, T. eucosmum, T. flexuosum, T. howellii, T. integrifolium, T. laciniatum, T. laxiflorum, T. milleflorum, T. paniculatum, T. rollinsii, T. sagittatum, T. stenopetalum, T. texanum, T. wrightii
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)
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