Desmoncus horridus subsp. occidentalis Henderson, Phytotaxa 35: 24 (2011)

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Distribution

Map uses TDWG level 3 distributions (https://github.com/tdwg/wgsrpd)
Brazil North present (Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88)A
Colombia present (Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88)A
Ecuador present (Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88)A
Distribution and habitat:-From 0°02'N-7°45'S and 72°45'-76°26'W in the western Amazon region in Colombia, Ecuador, and Brazil (Acre) at 267(200-300) m elevation along river or lake margins in black or white water areas.

Discussion

  • Taxonomic notes:-A specimen (Bernal 2033) from Colombia (Putumayo), not included in the above description, has narrow, lanceolate pinnae and a densely spiny peduncular bract (like D. polyacanthos), and fruits with Y-shaped fibers. It is sympatric with subsp. occidentalis and D. polyacanthos, and may be a hybrid (Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88)A

Description

  • Inflorescences peduncular bracts 30.5(22.0-38.0) cm long; rachillae 23(18-27); fruits 17.3(15.6-19.3) mm long. (Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88)A

Bibliography

    A. Henderson, A. 2011: A revision of Desmoncus (Arecaceae). – Phytotaxa 35: 1-88