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

short-pod thelypodium, short-pod thelypody

wavyleaf thelypody

Habit Biennials; often glaucous, glabrous or pubescent. Biennials or perennials; (short-lived); distinctly glaucous throughout, glabrous.
Stems

branched, (1.3–)3.4–8.3(–12) dm, (somewhat glaucous, glabrous throughout or pubescent proximally).

usually branched distally, 1–4.4(–6) dm.

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.

(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, appressed to stem), margins usually entire, rarely dentate.

shortly petiolate;

blade lanceolate or elliptic, much smaller than basal, margins entire or repand.

Racemes

dense, slightly elongated in fruit, (flower buds oblong).

somewhat lax, slightly elongated in fruit.

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 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

horizontal to divaricate, straight or slightly curved, stout, 1–2(–2.5) mm, flattened at base.

divaricate to divaricate-ascending, straight or incurved, slender, 4–12(–15) mm, slightly 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.

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

(plump), (1.3–)1.5–2 × 0.8–1(–1.3) mm.

(0.7–)1–1.5 × 0.5–0.8 mm.

Thelypodium brachycarpum

Thelypodium repandum

Phenology Flowering Apr–Aug. Flowering Jun.
Habitat Strongly alkaline meadows and desert flats Decomposing shale banks
Elevation 600-2300 m (2000-7500 ft) ca. 1700 m (ca. 5600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
ID
[BONAP county map]
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.)

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. crispum, 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 brachycarpa, Thelypodiopsis brachypoda
Name authority Torrey: in C. Wilkes et al., U.S. Expl. Exped. 17(2): 231, plate 1. (1874) Rollins: Contr. Dudley Herb. 3: 371. (1946)
Web links