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Monocotyledons / Monocotiledóneas
Pennisetum purpureum Schumach.
EOL Text
Localidad del tipo:
Depositario del tipo:
Recolector del tipo:
4.5 Reproducción
Florece en lugares abrigados desde mayo hasta agosto (Rosengurtt, 1970).
License | http://creativecommons.org/licenses/by-nc-sa/2.5/ |
Rights holder/Author | CONABIO |
Source | No source database. |
Perennials; clums erect, tall, to 3 m high. Ligule with cilia 3 mm long. Inflorescence a cylindrical contracted panicle, ca. 15 mm long, main axis densely hairy. Spikelets 2-flowered, ca. 5 mm long, solitary, subsessile, subrrounded by an involucre of bristles, falling off together with spikelet when mature; glume deltoid, 1/4 as long as spikelet; lower lemma lanceolate, membranaceous, minutely hispidulous, margins ciliate, as long as spikelet, 5-veined, palea absent; upper lemma lanceolate in back view, membranaceous, minutely hispidulous, lower half indurate, glabrous, 5-veined, palea of similar texture, 2- veined; anthers 3, with a tuft of hairs at one end.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
Source | http://www.efloras.org/florataxon.aspx?flora_id=1050&taxon_id=200025859 |
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 4
Species With Barcodes: 1
Perennials, Terrestrial, not aquatic, Rhizomes present, Stolons or runners present, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems terete, round in cross section, or polygonal, Stem internodes solid or spongy, Stem internodes hollow, Stems with inflorescence 2-6 m tall, Stems with inflorescence 6 m or taller, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath hairy, hispid or prickly, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 1-2 cm wide, Leaf blades 2 or more cm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades more or less hairy, Ligule present, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence a dense slender spike-like panicle or raceme, branches contracted, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence spike linear or cylindric, several times longer than wide, Inflorescence single raceme, fascic le or spike, Flowers bisexual, Spikelets pedicellate, Spikelets sessile or subsessile, Spikelets dorsally compressed or terete, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets 1-4 in short bristly fascicles, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating below the glumes, Spikelets falling with parts of disarticulating rachis or pedicel, Spikelets in bur-like clusters or fascicles with fused bracts, bristles or spines, Spikelets all subtended by bristles, Spikelet bristles 4-many, Spikelet bracts or bristles disarticulating with spikelet, Glumes completely absent or reduced to cuplike structure, Glumes present, empty bracts, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 5-7 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea abou t equal to lemma, Stamens 3, Styles 1, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
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=PEPU2 |
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 13
Species With Barcodes: 1
"Culms tufted, erect, to 2 m; nodes villous. Leaf-blades flat, 20-80 x 0.5-1 cm, pilose, margins scabrous; ligule membranous, ciliate, to 0.35 cm. Panicles cylindric, to 18 cm; rachis densely villous. Spikelets ovate-elliptic, to 0.6 cm, 2-flowered, subsessile; involucral bristles unequal, to 0.6 cm, longest to 1.4 cm, scabrid. Glumes membranous, unequal; lower glume minute, to 0.05 cm; upper glume deltoid, to 0.15 cm, lower lemma lanceolate, to 0.5 cm, membranous, hispidulous, margins ciliate, epaleate; upper lemma lanceolate, to 0.6 cm, membranous, hispidulous; palea of similar texture, 2-veined."
United States
Rounded National Status Rank: NNA - Not Applicable
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | NatureServe |
Source | http://explorer.natureserve.org/servlet/NatureServe?searchName=Pennisetum+purpureum |