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University of California, Berkeley | |||||
Jepson Herbarium | |||||
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Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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Index to accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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Family: Poaceae (Gramineae) | View Description | Dichotomous Key |
Genus: | View Description | Dichotomous Key |
Species: | View Description | Dichotomous Key |
Higher Taxonomy
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Dactyloctenium Habit: Annual, perennial herb; tufted, stoloniferous, or rhizomatous Stem: erect or decumbent; 5--115 cm, often rooting at lower nodes. Leaf: ligule membranous; blade flat or inrolled, 4--25 cm, 2--8 mm wide. Inflorescence: terminal, panicle-like, branches 2--11, finger-like, each with 2 rows of overlapping, sessile spikelets along lower side; axis extending beyond spikelets. Spikelet: laterally compressed; glumes unequal, wide, 1-veined, keeled, lower persistent, acute, upper deciduous, short-awned, awn generally curved; axis breaking apart above glumes, florets falling as a unit; bisexual florets 3--7; lemma membranous, keeled, 3-veined, lateral veins generally faint, tip acuminate or short-awned, awn generally curved; palea +- = lemma. Fruit: utricle-like, seed falling free from outer wall. Species In Genus: 10--13 species: Africa, Australia. Etymology: (Greek: finger + a small comb, from spikelet arrangement on branches) eFlora Treatment Author: James P. Smith, Jr. Reference: Hatch 2003 FNANM 25:112--114 Unabridged Reference: Koekemoer in Gibbs Russell et al. 1991 Grasses of Southern Africa pp 99--101 Jepson Online Interchange Previous taxon: Dactylis glomerata Next taxon: Dactyloctenium aegyptium |
Citation for this treatment: James P. Smith, Jr. 2012, Dactyloctenium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=11030, accessed on April 24, 2018. Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 24, 2018.
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