E-Flora BC: Electronic Atlas of the Flora of British Columbia

Lathrocasis tenerrima (A. Gray) L.A. Johnson
slender gilia (diffuse gilia)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants
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Distribution of Lathrocasis tenerrima
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Species Information

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Annual herb from a taproot; stems spreading, threadlike, diffusely branched, covered with stalked, often dark glands, 5-20 cm long/tall.
Mostly entire and hairless, 1-2 cm long, the basal leaves few, lanceolate and sometimes forming a small rosette, the stem leaves alternate, linear to linear-oblong, progressively reduced upwards, ultimately to bracts.
Inflorescences loose, of 2 or 3 stalked flowers per branch, the stalks curved or bent downwards, gland-dotted; corollas white or pale yellow, sometimes bluish-tipped, bell-shaped, 1.5-3 mm long, the short tube flaring to five lobes from 1/2 to as long as the tube; calyces 1/2 as long as the corollas.
Capsules, spherical, with 1-seeded chambers; seeds ellipsoid, becoming sticky when moistened.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry open slopes or open forest in the montane zone; rare in SC BC, known only from Kettle Valley and Anarchist Mountain; S to NV, UT and WY.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Gilia tenerrima A. Gray
Gilia tenerrima A. Gray

Taxonomic and Nomenclatural Links

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