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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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.
Annual, ± hairy.
Stem: ascending to erect, unbranched, often fragile, easily breaking apart at nodes.
Leaf: basal and cauline; collar 0; sheath and blade continuous; blade flat or becoming inrolled when dry.
Inflorescence: spike-like, partly enclosed by upper sheath or exserted with age; spikelets spirally arranged on axis.
Spikelet: laterally compressed; glumes entire or irregularly short-toothed; florets 5–40, tardily breaking above glumes and between florets; lemma entire or minutely toothed, generally with central sharp point, 11–17-veined; palea ± = lemma; anthers exserted, filaments slender, ribbon-like; stigmas 1/3–1/2 style length, sparsely short-hairy.
Fruit: obovoid or oblong.
3 species: CA, s Baja CA. (Anagram of Orcuttia) [Reeder 2003 FNANM 25:293–294]
Unabridged references: [Reeder 1982 Amer J Bot 69:1082–1095]
1. Infl exserted from upper leaf sheath; lemma tip ± truncate; fruit 2 mm, minutely wrinkled ..... T. greenei
1' Infl partly enclosed by upper leaf sheath; lemma tapered gradually, tip sharp-pointed; fruit 3 mm, smooth ..... T. mucronata
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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