Directory       News       Site Map       Home
         
    Jepson eFlora
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.

 

ANDROPOGON BLUESTEM

Christopher S. Campbell & Kelly W. Allred


Perennial herb, cespitose. Stem: erect, branched; nodes generally hairy. Leaf: cauline; ligule membranous, minutely ciliate; blade flat or folded. Inflorescence: panicle-like with 2 or more spike-like branches, 1 or compactly clustered, partly enclosed in leaf sheaths; axes breaking apart with age; spikelet sessile, subtended by hairy, naked stalk and axis segment, falling with stalk and axis segment as 1 unit. Spikelet: glumes ± = florets, lanceolate; florets 2, lower vestigial, upper fertile; lemma translucent, awned; palea << lemma or 0; stamens 1–3. Fruit: oblong, ± brown or ± purple.
± 100 species: warm temperate, tropics. (Greek: man beard, from hairy staminate spikelets) [Campbell 2003 FNANM 25:649–664] Some species cultivated for forage, revegetation.
Unabridged references: [1983 J Arnold Arbor 64:171–254]

Key to Andropogon

1. Leaf blade 13–109 cm; ligule > 1 mm; leaf sheath minutely scabrous; lower glume keel scabrous in lower 1/2 ..... A. glomeratus var. scabriglumis

1' Leaf blade 11–52 cm; ligule < 1 mm; leaf sheath glabrous; lower glume keel glabrous in lower 1/2 ..... A. virginicus var. virginicus

Contact/Feedback

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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.