Flora of North America species comparison

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Sandbergia whitedii

fissurewort, Whited's fissurewort, Whited's halimolobos, Whited's halimolobos fissurewort
Habit 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.
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.
Fruiting pedicels

(5–)8–14(–17) mm, densely pubescent.
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.

Sandbergia whitedii
Phenology Flowering Apr–Jul.
Habitat Dry sagebrush scabland, gravelly hillsides, basaltic talus, dry sandy slopes, alpine meadows, cliffs, ridge crests
Elevation 500-1200 m (1600-3900 ft)
Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 418.
Parent taxa Brassicaceae > tribe Boechereae > Sandbergia
Sibling taxa
S. perplexa
Synonyms Arabis whitedii, Halimolobos whitedii
Name authority (Piper) Greene: Leafl. Bot. Observ. Crit. 2: 137. (1911)
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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