Microstegium calochloa (Lauterb. & K.Schum.) Pilg.

Chen, H., Veldkamp, J. - F. & Kuoh, C. - S., 2012, Taxonomic revision of Microstegium s. str. Andropogoneae, Poaceae), Blumea 57 (2), pp. 160-189 : 185

publication ID

https://doi.org/10.3767/000651912X658908

persistent identifier

https://treatment.plazi.org/id/896687F3-266A-FF8A-FFB9-F80B8361094A

treatment provided by

Felipe

scientific name

Microstegium calochloa (Lauterb. & K.Schum.) Pilg.
status

 

Microstegium calochloa (Lauterb. & K.Schum.) Pilg. View in CoL

Microstegium calochloa (Lauterb. & K.Schum.) Pilg. (1940) 122. — Pollinia calochloa Lauterb.& K.Schum. in Schum.& Lauterb.(1901) 167. — Type: Lauterbach 37 (holo B, lost?).

Description after the original publication.

Mat-forming. Culms geniculately ascending, slender, 20–45 cm long, nodes glabrous. Sheaths puberulous, outer margin hairy. Ligule a ciliolate membrane, c. 0.5 mm long. Blades lanceolate, 4–8 mm wide, base attenuate to slightly rounded, base pseudopetiole absent, apex acuminate. Panicles 4–8 cm long. Racemes 3–5, digitate. Rachis fragile, subcylindrical and excavated (?), margins glabrous, internodes linear, 2.3–2.5 mm long. Sessile spikelets c. 3 mm long, callus puberulous to pilose. Lower glume dorsally concave, scaberulous, glabrous. Upper glume apex acuminate, muticous. Lower florets absent. Upper lemma c. 1.5 mm long, entire, awn apical, flexuous, (incl. column) c. 17 mm long. Upper palea c. 0.6 mm long, c. 0.4th times as long as the lemma. Anthers c. 0.3 mm long. Pedicels c. 1.5 mm long. Pedicelled spikelets subequal to the sessile ones.

Distribution — Papua New Guinea, Kaiser Wilhelmsland, Oertzen-Gebirge, in the western Finisterre Range (5°32'S, 145°48'E, Madang Prov.).

Habitat — Abandoned plantation, 100 m altitude.

Note — Only known from the type (not seen). Possibly a form of M. nudum . Reported from the Vogelkop and Morobe Prov., so no doubt in between as well .

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Poales

Family

Poaceae

Genus

Microstegium

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