Paspalum cromyorhizon

HABIT Perennial; caespitose; clumped loosely. Rhizomes short. Culms erect; 30–90 cm long; 3 -noded. Culm-nodes pubescent. Leaf-sheaths 8–16 cm long. Ligule an eciliate membrane; 1 mm long. Leaf-blades flat, or involute; 15–30 cm long; 3–4 mm wide. Leaf-blade apex filiform.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 2; paired; unilateral; 6–12 cm long. Central inflorescence axis 0 cm long. Rhachis narrowly winged; flattened; 1–1.2 mm wide; scabrous on margins. Spikelet packing abaxial; 2 -rowed.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or elliptic; dorsally compressed; plano-convex; 5–6.5 mm long; 2–3 mm wide; falling entire.

GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 3–5 -veined. Upper glume apex with a unilateral tooth, or dentate; 1–2 -fid; acute.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 3–5 -veined; wrinkled; pilose; acute. Fertile lemma elliptic; 4 mm long; indurate; yellow; shiny; without keel. Lemma margins involute. Palea involute; indurate.

FLOWER Anthers 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: Brazil and southern South America.

NOTES Paniceae. Fl Entre Rios 1995.

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