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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Aulonemia parviflora
HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 300–500 cm long; woody. Culm-internodes terete; hollow. Lateral branches dendroid. Bud complement 1. Branch complement one; solitary; as thick as stem. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 30–35 cm long; 35–42 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface scabrous. Leaf-blade margins glabrous.
INFLORESCENCE Inflorescence a panicle.
Panicle open; pyramidal; 20–30 cm long. Primary panicle branches ascending.
Spikelets appressed; solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 25 mm long; 0.5–1 mm wide; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 0.5 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex acute, or acuminate. Upper glume ovate; 0.5 length of adjacent fertile lemma; membranous; without keels; 7 -veined. Upper glume apex acute, or acuminate.
FLORETS Fertile lemma oblong; 10–12 mm long; chartaceous; without keel; 7 -veined. Lemma apex acute. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 3. Anthers 3. Stigmas 2.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION South America: western South America.
NOTES Bambuseae. Gr Peru 1995.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.