Flora of North America species comparison

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Thelypodiopsis juniperorum

juniper tumblemustard
Habit Annuals; (glaucous), pilose throughout or at least basally, or glabrous distally.
Stems

(simple or few to several from base), branched distally, 1.5–10 dm, (pilose basally).
Basal leaves

(soon withered); rosulate;

petiole 0.5–2.5 cm;

blade oblanceolate, 5–15 cm × 10–20 mm, margins entire or dentate.
Cauline leaves

sessile;

blade oblong, base auriculate to amplexicaul, margins entire.
Racemes

slightly dense.
Flowers

sepals erect, purple, 5–7 × 2–3 mm;

petals purple, suborbicular to broadly obovate, 14–17 × 5–9 mm, claw 4–7 mm;

median filament pairs 4–7 mm;

anthers linear, 3–4 mm;

gynophore (slender), 3–6 mm.
Fruiting pedicels

horizontal to divaricate-ascending, often straight, 7–20 mm, (glabrous or sparsely pilose).
Fruits

erect to ascending, straight, torulose, 5–9 cm × 1–1.2 mm;

style cylindrical, (slender), 2–3 mm;

stigma 2-lobed.
Seeds

ca. 1.5 × 0.9 mm.

Thelypodiopsis juniperorum
Phenology Flowering May–Jun.
Habitat Pinyon-juniper woodlands, sagebrush communities
Distribution
from FNA
CO
[BONAP county map]
Discussion

Of conservation concern.

Thelypodiopsis juniperorum is known only from Gunnison and Montrose counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 726.
Parent taxa Brassicaceae > tribe Thelypodieae > Thelypodiopsis
Sibling taxa
T. ambigua, T. aurea, T. divaricata, T. elegans, T. purpusii, T. shinnersii, T. vaseyi, T. vermicularis
Synonyms Sisymbrium juniperorum, Sisymbrium elegans var. juniperorum
Name authority (Payson) Rydberg: Fl. Rocky Mts. ed. 2, 1123. (1923)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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