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This species is accepted, and its native range is Bismarck Archipelago (New Britain).
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms 20 mm diam.; woody; without nodal roots. Culm-internodes terete; thin-walled. Lateral branches dendroid. Branch complement one. Leaves cauline. Leaf-sheath oral hairs lacking, or ciliate; 5 mm long. Leaf-sheath auricles falcate. Ligule a ciliate membrane. Collar with external ligule. Leaf-blade base truncate, or broadly rounded; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 25-33 cm long; 40-50 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in untidy tufts; 2-4 cm between clusters; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 5 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; subterete; 15-23 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 4 mm long.
Fertile
Spikelets comprising 5 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; subterete; 15-23 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; 4 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet. Lower glume margins ciliate. Upper glume margins ciliate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 12 mm long; without keel. Lemma margins ciliate; hairy above. Lemma apex attenuate. Palea keels eciliate.
Morphology Reproductive morphology Flowers
Lodicules absent. Anthers 6; 5.5 mm long. Stigmas 3. Ovary umbonate; pubescent on apex.
Distribution
Asia-tropical: Papuasia.
Reference
Bambuseae. Holttum 1996.

Native to:

Bismarck Archipelago

Bambusa macrolemma Holttum appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 21, 1963 Murray, G.H. [s.n.], Papua New Guinea K000290511 holotype

First published in Kew Bull. 21: 274 (1967)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0