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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.

 

ISOLEPIS
Annual, perennial herb, cespitose, rhizomed or not. Stem: simple, cylindric, <= 0.5 mm diam, not hollow. Leaf: basal, spiraled, 1–few; blade vestigial to >> sheath, <= 1 mm wide; ligule 0. Inflorescence: terminal, head-like, inflorescence bracts 1–2, 2–33 mm, leaf-like; spikelets 1–3(15), ± ovate, ± flat or not, many-flowered, 1–10 mm, 1–2 mm wide; flower bracts spiraled, each with 1 flower in axil, ovate, membranous, tip entire, generally short-awned. Flower: bisexual; perianth 0; stamens 1–3, anthers >= 0.6 mm; style 1, thread-like, base ± enlarged or not, stigmas 2–3. Fruit: ± wide-obovate, generally ± white to dark brown, minute-papillate, prominent-ridged lengthwise, or smooth, mucronate; tubercle 0.
69 species: temperate, subtropics, ± worldwide, especially Africa, Australia. (Greek: equal flower bract) [Muasya et al. 2007 Novon 17:59]
Unabridged etymology: (Greek, isos, equal, similar, and lepis a flower bract)
Unabridged references: [Muasya et al. 2006 Novon 16:19–20; Smith 2002 FNANM 23:137–140; Musaya & Simpson 2002 Kew Bull 57:257–362]

Key to Isolepis

1. Fruit ribbed lengthwise, not papillate ..... I. setacea

1' Fruit fine- to obscure-papillate or smooth, not ribbed

2. Spikelets ± flat ..... I. levynsiana

2' Spikelets not ± flat

3. Flower bracts in spikelet middle 1.8–2 mm, awn 0.2–0.5 mm; fruit 1–1.5 mm, 3-sided, ± as deep as wide, sides concave ..... I. carinata

3' Flower bracts in spikelet middle 1.2–1.8 mm, awn < 0.1 mm; fruit 0.8–1 mm, 2–3-sided, shallower than wide, sides convex or ± concave ..... I. cernua

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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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