Habit: Annual, perennial herb.
Stem: generally erect, generally branched from base.
Leaf: cauline, opposite, entire or lobes 3--9, palmate, linear to narrowly lanceolate or spoon-shaped, generally not fused by membrane.
Inflorescence: head, open clusters, few-flowered cyme, or flower 1; bracts +- leaf-like, generally palmate-lobed, lobes generally not connected by translucent membrane; flowers sessile or not.
Flower: sepals generally equal; corolla funnel-shaped, salverform, or bell-shaped, with hairy ring inside tube or generally not (determined at 10×); stamens attached at 1 level, pollen yellow.
Species In Genus: 30 species: western North America, Chile.
Etymology: (Greek: narrow tube, for corollas of some species)
Note: Calyx lobe membrane generally expressed as length relative to calyx or lobe length, or as width relative to calyx lobe.
Jepson eFlora Author: Robert W. Patterson & Robyn Battaglia
Reference: Battaglia & Patterson 2001 Madroño 48:62--78; Porter & Patterson 2015 Aliso 32:55--88; Patterson 2021 Phytoneuron 2021-58:1
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Key to Leptosiphon
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