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Andropogon leucostachyus

(Matojillo Bluestem)

Interesting Facts

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Common Names

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Common Names in English:

Matojillo Bluestem

Description

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Genus Andropogon

Annual or perennial . Leaf blades linear , not aromatic ; ligule scarious or reduced to a line of hairs . Inflorescence simple or compound ; racemes fragile, usually paired , occasionally digitate or single, terminal on the culm or axillary and gathered into a spathate compound panicle; spikelets of a pair dissimilar; raceme bases not deflexed , without homogamous spikelets (present in A. munroi) ; rachis internodes filiform to linear or clavate , sometimes inflated , ciliate on margins . Sessile spikelet usually dorsally compressed ; callus short, obtuse , shortly bearded , inserted into internode apex; lower glume membranous to leathery, 2-keeled, lanceolate, flat to concave with lateral keels , these sometimes narrowly winged , with or without intercarinal veins, or linear with dorsal keels and a deep veinless median groove ; upper glume awned or awnless; lower floret reduced to a hyaline lemma; upper lemma hyaline, 2-lobed, awned from sinus ; awn geniculate , column glabrous or puberulous . Stamens 1-3. Pedicelled spikelet variable, large to much reduced, male or barren. x = 10.

About 100 species: tropical and warm-temperate regions of both hemispheres, especially Africa and America; two species in China.[1]

Physical Description

Habit: Graminoid

Habitat

Typically found at an altitude of 0 to 4,936 meters (0 to 16,194 feet).[2]

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Synonyms

Anatherum virginicum (L.) Spreng. Subvar. Leucostachyum (Kunth) Roberty • Andropogon Leucostachys • Andropogon leucostachys H. B. K. • Andropogon virginicus L. leucostachyus (Kunth) Hack.

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Andropogon

ZipcodeZoo has pages for 42 species, subspecies, varieties, forms, and cultivars in this genus:

A. arctatus (Pinewoods Bluestem) · A. bicornis (Barbas De Indio) · A. bicornis var. paranensis (West Indian Foxtail Grass) · A. binatus (Sabaigrass) · A. brachystachyus (Short-Spike Bluestem) · A. capillipes (Chalky Bluestem) · A. chevalieri (Beardgrass) · A. filipendulus (Hyparrhenia) · A. floridanus (Florida Bluestem) · A. gayanus (Bluestem) · A. gerardi (Big Bluestem) · A. gerardii (Big Bluestem) · A. gerardii var. gerardii (Big Bluestem) · A. gerardii 'Pawnee' (Big Bluestem) · A. glaucopsis (Chalky Bluestem) · A. glomeratus (Broomsedge) · A. glomeratus var. glomeratus (Bushy Bluestem) · A. glomeratus var. hirsutior (Bushy Bluestem) · A. glomeratus var. pumilus (Bushy Bluestem) · A. glomeratus var. scabriglumis (Bushy Bluestem) · A. gracilis (Silky Bluestem) · A. gyrans (Beardgrass) · A. gyrans var. gyrans (Elliott's Bluestem) · A. gyrans var. stenophyllus (Elliotts Bluestem) · A. hallii (Sand Bluestem) · A. leucostachys (Matojillo Bluestem) · A. leucostachyus (Matojillo Bluestem) · A. longiberbis (Hairy Bluestem) · A. mohrii (Mohr Bluestem) · A. propinquus (Sorghum) · A. sorghum (Sorghum) · A. sorghum halepensis (Aleppo Milletgrass) · A. ternarius (Silver Bluestem) · A. ternarius var. cabanisii (Splitbeard Bluestem) · A. ternarius var. ternarius (Splitbeard Bluestem) · A. tracyi (Tracy's Bluestem) · A. virginicus (Broom Sedge) · A. virginicus var. decipiens (Broomsedge) · A. virginicus var. glaucus 'Silver Beauty' (Blue Stem Grass) · A. virginicus var. scabriglumus (Broomsedge Bluestem) · A. virginicus var. virginicus (Broomsedge Bluestem) · A. vulgaris (Broomcorn)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 16, 2007:

Identifiers

Footnotes

  1. Shou-liang Chen & Sylvia M. Phillips "Andropogon". in Flora of China Vol. 22 Page 572, 621, 623, 624, 627. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. Mean = 537.580 meters (1,763.714 feet), Standard Deviation = 781.930 based on 303 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/15/2012