Difference between revisions of "Smilax jamesii"
Brittonia 31: 416, fig. 1. 1979.
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|special status=Illustrated;Endemic;Conservation concern | |special status=Illustrated;Endemic;Conservation concern | ||
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|genus=Smilax | |genus=Smilax | ||
|species=Smilax jamesii | |species=Smilax jamesii | ||
Latest revision as of 21:18, 5 November 2020
Herbs; rhizomes brown or black, zigzag. Stems annual, climbing, branched, 2–3 m, herbaceous, glabrous; prickles absent. Leaves evenly distributed, proximalmost reduced to bracts; petiole shorter than blade; tendrils numerous, long, functional; blade dark green, triangular, ovate, or slightly hastate, 2.5–8.5 × 4–7.5 cm, membranous, glabrous and glaucous abaxially, base truncate, cordate, or hastate, lobes rounded; margins entire; apex cuspidate. Umbels axillary to leaves, staminate to 20-flowered, pistillate few–40-flowered, moderately dense, subspherical; peduncle of staminate umbel ± equaling subtending leaf, pistillate to 13.5 cm. Flowers: perianth light green; tepals 1.5–2 mm; anthers slightly shorter than to equaling filaments; ovules (1–)2 per locule; pedicel thin, ca. 1.5 cm. Berries blue, ovoid, 6–8 mm.
Phenology: Flowering May–Jul.
Habitat: Alder thickets, lake and stream sides, bracken fern slopes
Elevation: 1200–2500 m
Discussion
Of conservation concern.
Smilax jamesii is the only herbaceous species of Smilax known to occur in western North America. It is found in the Klamath Mountains.