Difference between revisions of "Eutrema salsugineum"

Revision as of 22:56, 16 December 2019

Annuals; (often glaucous). Stems simple or few to several from caudex, erect or ascending, branched basally, (0.6–)1–3(–4) dm. Basal leaves rosulate or not; petiole 0.5–1 cm; blade (not fleshy), obovate, spatulate, or oblong, 0.5–1.5(–2.5) cm × 2–5 mm, margins usually entire, rarely dentate or pinnatifid, apex obtuse. Cauline leaves sessile; blade cordate, ovate, or oblong, 0.4–1.7(–2.5) cm × 1–7(–10) mm, base deeply sagittate-amplexicaul, margins entire or repand, apex acute or obtuse. Racemes elongated in fruit, (rachis straight). Fruiting pedicels divaricate to divaricate-ascending, (slender), 3–10 mm. Flowers: sepals oblong, 1–1.5 × 0.5–0.6 mm; petals obovate, 2–3 × 1–1.7 mm; filaments 1–1.5 mm; anthers oblong, 0.2–0.4 mm, (apiculate). Fruits sessile, linear, distinctly torulose, 0.7–1.6(–2) cm × (0.7–)0.8–1 mm, terete; valves each obscurely veined; septum complete; ovules 55–96 per ovary; style 0.1–0.3 mm. Seeds (biseriate) oblong, 0.4–0.5 × 0.2–0.3 mm. 2n = 14.

Phenology: Flowering May–Jun.
Habitat: Sandy alkaline ground, saline flats and fields, alkaline sloughs, stream banks, salt meadows and plains, steppes
Elevation: 600-2500 m

B.C., N.W.T., Sask., Yukon, Colo., Mont., c, e Asia.

Discussion

Selected References

None.

Lower Taxa