The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

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
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; ID; MT; WY
[BONAP county map]
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
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. repandum, T. rollinsii, T. sagittatum, T. stenopetalum, T. texanum, T. wrightii
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)
Web links