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ANDROPOGONINAE
Andropogon fastigiatus Sw.
EOL Text
Annuals, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems with inflorescence 1-2 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mos tly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blade auriculate, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence with 2 or more spikes, fascicles, glomerules, heads, or clusters per culm, Inflorescence a panicle with narrowly racemose or spicate branches, Flowers bisexual, Spikelets pedicellate, Spikelets sessile or subsessile, Spikelets laterally compressed, Inflorescence or spikelets partially hidden in leaf sheaths, subtended by spatheole, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets with 2 florets, Spikelet with 1 fertile floret and 1-2 sterile florets, Spikelets paired at rachis nodes, Spikelets bisexu al, Spikelets falling with parts of disarticulating rachis or pedicel, Spikelets conspicuously hairy , Rachilla or pedicel hairy, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes equal to or longer than adjacent lemma, Glume equal to or longer than spikelet, Glumes awned, awn 1-5 mm or longer, Glumes keeled or winged, Glumes 1 nerved, Lemma glabrous, Lemma apex dentate, 2-fid, Lemma distinctly awned, more than 2-3 mm, Lemma with 1 awn, Lemma awn 2-4 cm long or longer, Lemma awn from sinus of bifid apex, Lemma awn twisted, spirally coiled at base, like a corkscrew, Lemma awn once geniculate, bent once, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
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Rights holder/Author | Compiled from several sources by Dr. David Bogler, Missouri Botanical Garden in collaboration with the USDA NRCS NPDC |
Source | http://plants.usda.gov/java/profile?symbol=DIFA2 |
Type fragment for Andropogon fastigiatus Sw.
Catalog Number: US 76465
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): O. P. Swartz
Locality: Greater Antilles, Jamaica, West Indies
- Type fragment: Swartz, O. P. 1788. Nova Genera & Sp. Pl. Prodr. 26.
License | http://creativecommons.org/licenses/by/3.0/ |
Rights holder/Author | This image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws. |
Source | http://collections.mnh.si.edu/search/botany/?irn=2103592 |
Diectomis is a genus of tropical plants in the grass family.[2][3]
- Species
The only known species is Diectomis fastigiata, widespread across tropical parts of Africa, Asia, and the Americas.[1][4][5]
References[edit]
- ^ a b Kew World Checklist of Selected Plant Families
- ^ Kunth, Karl Sigismund. 1815. Mémoires du Muséum d'Histoire Naturelle 2: 69-70 description in Latin, commentary in French
- ^ Vorontsova, M.S., Ratovonirina, G. & Randriamboavonjy, T. (2013). Revision of Andropogon and Diectomis (Poaceae: Sacchareae) in Madagascar and the new Andropogon itremoensis from the Itremo massif. Kew Bulletin 68: 193-207.
- ^ Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie 132-133
- ^ Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie plate XXIII (23), figure VII (7) line drawing of flowers of Diectomis fastigiata
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License | http://creativecommons.org/licenses/by-sa/3.0/ |
Rights holder/Author | Wikipedia |
Source | http://en.wikipedia.org/w/index.php?title=Diectomis&oldid=646461681 |