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nodding thelypody, spreading thelypodium, zigzag thelypody

Habit Plants perennial, glabrous; woody caudices covered with petiolar remains of previous seasons.
Stems

often subdecumbent, flexuous, 1.5–5.6(8.5) dm.

Basal leaves

lanceolate to oblanceolate; (2)3.5–16.5(20.5) × (0.5)1–2.5(4.5) cm;

margins entire;

petioles 1–6.5(13) cm, not ciliate.

Cauline leaves

lanceolate to linear, 1–7(11) × 0.2–0.7(1.4) cm, bases sagittate to somewhat amplexicaul, sessile.

Inflorescences

few-flowered, fruiting pedicels horizontal to divaricate-ascending; (2.5)4–9(16) mm.

Flowers

sepals oblong; erect, 3–4(4.5) mm;

petals spatulate, oblanceolate, or obovate, 6–9(10) × (1.5)2–3(3.5) mm, lavender or white;

claws 2–3.5(4) mm; narrowest at base;

petal margins not crisped;

anthers oblong, not circinately coiled, nectar glands lateral;

ovules 12–30 per ovary;

styles cylindrical; (0.3)1–2(3) mm;

stigmas entire;

gynophore 0.5(1) mm.

Fruits

erect to ascending; terete, torulose, 1–2.5(4.2) cm × 0.8–1(1.5) mm.

Seeds

(1)1.3–1.5 × 0.5–8(1) mm.

2n

=26.

Thelypodium crispum

Thelypodium flexuosum

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Alkaline sandy loam or clay soils, open deserts. Flowering Apr–Jun. 700–1900 m. BR, ECas, Owy. CA, ID, NV; southeast to UT. Native.

Source Flora of Oregon, volume 2, page 517
Ihsan Al-Shehbaz
Sibling taxa
T. brachycarpum, T. eucosmum, T. flexuosum, T. howellii, T. integrifolium, T. laciniatum, T. milleflorum
T. brachycarpum, T. eucosmum, T. howellii, T. integrifolium, T. laciniatum, T. milleflorum
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