Homolepis isocalycina

HABIT Annual, or perennial; short-lived. Culms decumbent, or rambling; 40–140(–200) cm long; rooting from lower nodes. Ligule a ciliolate membrane. Leaf-blade base cordate. Leaf-blades lanceolate; 10–23 cm long; 10–25 mm wide. Leaf-blade surface glabrous, or pubescent, or pilose. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; elliptic, or ovate; 7–17 cm long. Panicle branches pubescent in axils.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 5–6 mm long; falling entire.

GLUMES Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; 1 length of spikelet; membranous; without keels; 9 -veined. Lower glume apex acute. Upper glume ovate; membranous; without keels; 7 -veined. Upper glume apex acute.

FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 7 -veined; eciliate on margins, or ciliate on margins (above); acute. Fertile lemma ovate; 4–5 mm long; coriaceous; without keel; 5 -veined. Lemma margins flat. Lemma apex obtuse. Palea 1 length of lemma; coriaceous.

DISTRIBUTION South America: Mesoamericana, northern South America, western South America, and Brazil.

NOTES Paniceae. WDC.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.