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Digitaria

Digitaria
Family: Poaceae
Digitaria image
Max Licher
  • FNA
  • Gleason & Cronquist
  • Resources
J.K. Wipff. Flora of North America
Plants annual, perennial, or of indefinite duration. Culms 5-250 cm, erect or decumbent, branching basally or at aerial culm nodes, when annual or of indefinite duration usually decumbent and rooting at the lower nodes. Sheaths open; ligules membranous, sometimes ciliate; blades usually flat. Inflorescences terminal, sometimes also axillary, usually panicles of 1-sided spikelike branches (sometimes only 1 branch) attached digitately or racemosely to a rachis, sometimes simple panicles of solitary, pedicellate spikelets; spikelike branches, if present, sometimes with secondary branches, primary branch axes triquetrous, bearing spikelets abaxially, in 2 rows, usually in unequally pedicellate groups of 2-5, occasionally borne singly. Spikelets 1.2-8.2 mm, lanceoloid to ellipsoid, dorsally compressed, apices obtuse to acuminate, unawned, with 2 florets; disarticulation beneath the glumes. Lower glumes absent or to 1/4 as long as the spikelets; upper glumes usually from 1/6 as long as to equaling the spikelets, occasionally absent, 0-5-veined, usually pubescent; lower florets sterile; lower lemmas membranous, usually as long as the upper lemmas, usually pubescent, (3)5-7(13)-veined; lower paleas absent or reduced; upper lemmas mostly stiffly chartaceous to cartilaginous, obscurely veined, with 0.5-1 mm hyaline margins that embrace the upper paleas; upper paleas similar to the upper lemmas in texture and size; lodicules 3, cuneate; anthers 3. Caryopses plano-convex; embryos 1/5-1/2 as long as the caryopses; hila punctiform to ellipsoid. x = 9. Name from the Latin digitus, finger, a reference to the digitate inflorescence of some species.
Vascular plants of NE US and adjacent Canada
Spikelets with one perfect terminal fl, single or in clusters of 2 or 3 on unequal pedicels along one side of an elongate rachis, forming 2-several slender, spike-like racemes; first glume minute or lacking; second glume a third to fully as long as the spikelet, conspicuously 5- or 7-veined; sterile lemma (appearing as another glume when the first glume is obsolete) about as long as the fertile one; fertile lemma leathery with hyaline margins, acute, often shining, usually faintly marked with longitudinal rows of minute pits; palea flat, similar in texture to the fertile lemma, which clasps its margins; ours weedy annuals, branched from the base, with few- several terminal, digitate or approximate, spike-like, one-sided racemes. (Syntherisma) 200+, cosmop.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: FFA Career Development || << 51 - 100 taxa >>
Digitaria complanata
Media
not available
Map not
Available
Digitaria compressa
Media
not available
Map not
Available
Digitaria connivens
Media
not available
Map not
Available
Digitaria corynotricha
Media
not available
Map not
Available
Digitaria costaricensis
Media
not available
Map not
Available
Digitaria cruciata
Media resource of Digitaria cruciata
Map not
Available
Digitaria cuatrecasasii
Media
not available
Map not
Available
Digitaria curtigluma
Media resource of Digitaria curtigluma
Map not
Available
Digitaria curvinervis
Media resource of Digitaria curvinervis
Map not
Available
Digitaria cuyabensis
Media resource of Digitaria cuyabensis
Map not
Available
Digitaria debilis
Media resource of Digitaria debilis
Map not
Available
Digitaria delicata
Media
not available
Map not
Available
Digitaria delicatula
Media resource of Digitaria delicatula
Map not
Available
Digitaria diagonalis
Media resource of Digitaria diagonalis
Map not
Available
Digitaria didactyla
Media resource of Digitaria didactyla
Map not
Available
Digitaria dioica
Media resource of Digitaria dioica
Map not
Available
Digitaria distans
Media resource of Digitaria distans
Map not
Available
Digitaria divaricatissima
Media
not available
Map not
Available
Digitaria diversinervis
Media
not available
Map not
Available
Digitaria dolichophylla
Media resource of Digitaria dolichophylla
Map not
Available
Digitaria dunensis
Media
not available
Map not
Available
Digitaria eggersii
Media resource of Digitaria eggersii
Map not
Available
Digitaria ekmanii
Media resource of Digitaria ekmanii
Map not
Available
Digitaria enodis
Media
not available
Map not
Available
Digitaria eriantha
Media resource of Digitaria eriantha
Map not
Available
Digitaria eriostachya
Media
not available
Map not
Available
Digitaria evrardii
Media
not available
Map not
Available
Digitaria exilis
Media
not available
Map not
Available
Digitaria eylesii
Media resource of Digitaria eylesii
Map not
Available
Digitaria fiebrigii
Media
not available
Map not
Available
Digitaria filiformis
Media resource of Digitaria filiformis
Map not
Available
Digitaria flaccida
Media
not available
Map not
Available
Digitaria floridana
Media resource of Digitaria floridana
Map not
Available
Digitaria fragilis
Media
not available
Map not
Available
Digitaria fuscescens
Media resource of Digitaria fuscescens
Map not
Available
Digitaria fuscopilosa
Media
not available
Map not
Available
Digitaria gardneri
Media
not available
Map not
Available
Digitaria gaudichaudii
Media
not available
Map not
Available
Digitaria gayana
Media resource of Digitaria gayana
Map not
Available
Digitaria gazensis
Media resource of Digitaria gazensis
Map not
Available
Digitaria gentilis
Media
not available
Map not
Available
Digitaria gerdesii
Media
not available
Map not
Available
Digitaria gibbosa
Media resource of Digitaria gibbosa
Map not
Available
Digitaria glauca
Media resource of Digitaria glauca
Map not
Available
Digitaria gracillima
Media resource of Digitaria gracillima
Map not
Available
Digitaria gymnostachys
Media
not available
Map not
Available
Digitaria gymnotheca
Media
not available
Map not
Available
Digitaria herpocladus
Media
not available
Map not
Available
Digitaria hitchcockii
Media resource of Digitaria hitchcockii
Map not
Available
Digitaria hololeuca
Media
not available
Map not
Available
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