Habit: Annual; hairs 0 or simple.
Leaf: simple, sessile, entire, dentate, or pinnately lobed; middle, distal cauline clasping, lobed or not.
Inflorescence: open (dense).
Flower: sepals ascending, base not sac-like; petals +- >= sepals, white or +- purple-tinged, not clawed; fertile anthers yellow or generally purple (flowers occasionally with whitish or yellowish infertile anthers).
Fruit: indehiscent, pendent, elliptic to ovate or round, unsegmented, over-seed (i.e., excluding wing) generally plano-convex; septum 0; wing generally not incurved toward over-seed flat side, entire, wavy-margined, crenate, perforated, or divided into spoon-shaped lobes, rays (radiating veins) present or not, generally +- indistinct; stigma entire.
Seed: 1, elliptic to round, wingless.
Species In Genus: 6 species: western North America.
Etymology: (Greek: fringe fruit)
Jepson eFlora Author: Ihsan A. Al-Shehbaz & Thomas J. Rosatti
Reference: Revised taxonomy based on Alexander et al. (2010 Syst Bot 35:559--577).
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Key to Thysanocarpus
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