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

Limnanthes macounii Trel.
Macoun's meadow-foam
Limnanthaceae (Meadow-Foam family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #79436)

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Distribution of Limnanthes macounii
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Species Information

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General:
Annual herb from a fibrous root; stems decumbent (taller plants) to erect (smaller plants), several to many, unbranched to few branched, glabrous, 2-5 (15) cm tall.
Leaves:
Basal leaves pinnate with 3-13 toothed or lobed segments, the segments oblanceolate, 4-10 mm long, sometimes again toothed, stalked, the stalks about as long as the leaves, glabrous, stem leaves similar, few.
Flowers:
Inflorescence of single, terminal flowers on stalks about as long as the leaves; petals usually 4, white to yellowish, egg-shaped, 4-5 mm long; sepals usually 4, egg-shaped, sharp-pointed, with 2 rows of hairs at the base, 3-4 mm long.
Fruits:
Nutlets, 3-4, rarely 1, somewhat cone-shaped, 2.8-3.2 mm long, greyish-green to brown, with small protrusions on the tops and sides. LINACEAE 1. Plants perennials; sepals rounded at the tips, not fringed; leaves linear, 3-veined only at the bases L. lewisii1. Plants annuals, biennials or perennials; sepals tapered to narrow points, inner ones usually fringed; leaves linear-lanceolate, 3-veined at least 1/2 their length. 2. Plants annuals; flower stalks 20-25 mm long; petals 10-14 mm long; capsules 10-14 mm long, or more; seeds with a short, blunt beak L. usitatissimum2. Plants biennials or perennials; flower stalks 5-18 mm long; petals 8-10 mm long; capsules 5-6 mm long; seeds beakless L. bienne

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet depressions, vernal pools and seepage sites in the lowland zone; infrequent on SE Vancouver Island and adjacent islands; endemic.

Source: The Illustrated Flora of British Columbia

Climate

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.

Taxonomic and Nomenclatural Links

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General References