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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

FIMBRISTYLIS
Annual, perennial herb, scapose, rhizomed or not. Stem: ± cylindric or flat, often prominent-ridged, <= 1 mm diam. Leaf: several, basal, spiraled, flower stem with 1+ cauline; blade flat proximally, longest > sheath, <= 4 mm wide; sheath distally open, margin scabrous, tip hairs << 1 mm, stiff; ligule 0 or of short hairs. Inflorescence: 1, terminal, branched or head-like, inflorescence bracts (1)2–8; spikelets (1)80+, cylindric [(flat)]; flower bracts 8–100, spiraled, each with 1 flower in axil or occasionally 0 in proximal 1–2, membranous, glabrous or puberulent, tip entire, mucronate, or short-awned. Flower: bisexual; perianth 0; style often flat, 2[3]-branched, base enlarged, not persistent. Fruit: 2–3-sided, wide-obovate, minute-netted-honeycombed, occasionally warty, brown or ± white, mucronate.
Generally moist to wet places.
100+ species: warm temperate to tropics. (Latin: fringe style) [Kral 2002 FNANM 23:121–131] Fimbristylis miliacea record (1866) undocumented for California.
Unabridged etymology: (Latin: fimbria, fringe, and stylus, style)

Key to Fimbristylis

1. Spikelets 3–5 mm wide; perennial herb, rhizomed ..... F. thermalis

1' Spikelets 1–1.5 mm wide; annual, rhizomes 0

2. Inflorescence branched ..... F. autumnalis

2' Inflorescence head-like ..... F. vahlii

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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