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Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Panicum joshuae
HABIT Perennial; caespitose. Culms erect; 15–25(–70) cm long. Culm-internodes distally glabrous. Leaves mostly basal. Ligule an eciliate membrane; 2 mm long. Leaf-blades flat, or involute; 5–15(–50) cm long; 2–3(–6) mm wide. Leaf-blade apex acuminate.
INFLORESCENCE Inflorescence a panicle.
Panicle open, or contracted; 5–9(–30) cm long. Primary panicle branches 1–2 -nate.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or ovate; dorsally compressed; 1.7–2.2 mm long; falling entire.
GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.8 mm long; 0.4 length of spikelet; membranous; without keels. Upper glume ovate; 1.7–2.2 mm long; 1 length of spikelet; membranous; without keels; 5–7 -veined. Upper glume apex acute.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; acute. Fertile lemma ovate; dorsally compressed; 1.7–2.2 mm long; indurate; without keel. Lemma margins involute. Palea involute; indurate.
FLOWER Anthers 3; orange. Stigmas red.
DISTRIBUTION Africa: middle Atlantic ocean.
NOTES Paniceae. Lambdon 2014.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.