Sandbergia whitedii

(Piper) Greene

Leafl. Bot. Observ. Crit. 2: 137. 1911.

Basionym: Arabis whitedii Piper Bull. Torrey Bot. Club 28: 39. 1901
Synonyms: Halimolobos whitedii (Piper) Rollins
Treatment appears in FNA Volume 7. Treatment on page 418.

Perennials; densely and uniformly pubescent, trichomes shortly stalked, minute, Y-shaped or cruciform, mixed with simple or 1 or more ray-forked ones. Stems simple or few from caudex, erect, branched (several) distally, (1.5–)2.5–5.5(–6.5) dm, densely pubescent throughout. Basal leaves often rosulate; petiole (1–)2–5(–7) cm; blade spatulate to linear-oblanceolate, (1–)1.7–5 cm × (3–)4–9(–12) mm, margins entire or dentate, surfaces densely pubescent. Cauline leaves 3–7 (widely spaced); blade linear-oblanceolate, 2–7 cm × 1–5(–8) mm, margins usually entire, rarely minutely sparsely denticulate, apex obtuse, surfaces densely pubescent. Fruiting pedicels (5–)8–14(–17) mm, densely pubescent. Flowers: sepals 2.5–3 × 1–1.5 mm; petals (4–)5–6.5(–7.5) × (1.2–)1.5–2(–2.2) mm; filaments 1.5–3 mm; anthers oblong, 0.6–0.8 mm. Fruits suberect, (not appressed to rachis), straight, slightly torulose, subterete, (1–)1.3–1.8(–2) cm × 0.8–1 mm; valves each with obscure midvein on proximal 1/2, densely pubescent; ovules 20–30 per ovary; style 0.2–0.4 mm. Seeds 1–1.2 × 0.6–0.7 mm.


Phenology: Flowering Apr–Jul.
Habitat: Dry sagebrush scabland, gravelly hillsides, basaltic talus, dry sandy slopes, alpine meadows, cliffs, ridge crests
Elevation: 500-1200 m

Discussion

In Washington state, Sandbergia whitedii appears to be restricted to Chelan, Douglas, Grant, Kittitas, Lincoln, and Okanogan counties.

Selected References

None.

Lower Taxa

None.
... more about "Sandbergia whitedii"
Ihsan A. Al-Shehbaz +
(Piper) Greene +
Arabis whitedii +
B.C. +  and Wash. +
500-1200 m +
Dry sagebrush scabland, gravelly hillsides, basaltic talus, dry sandy slopes, alpine meadows, cliffs, ridge crests +
Flowering Apr–Jul. +
Leafl. Bot. Observ. Crit. +
Halimolobos whitedii +
Sandbergia whitedii +
Sandbergia +
species +