Overview

Distribution

Localities documented in Tropicos sources

Narenga fallax var. aristata (Balansa) L. Liou:
India (Asia)
Vietnam (Asia)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Saccharum fallax var. aristatum Balansa:
Vietnam (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Saccharum fallax Balansa:
Laos (Asia)
Vietnam (Asia)
China (Asia)
India (Asia)
Burma (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Narenga fallax (Balansa) Bor:
Burma (Asia)
Malaysia (Asia)
India (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Guangdong, Guangxi, Guizhou, Hainan, Yunnan [NE India, Indonesia, Laos, Myanmar, Vietnam].
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Physical Description

Morphology

Description

Perennial. Culms 1.5–3 m tall, 8–12 mm in diam., nodes bearded with golden-brown hairs, hirsute below panicle. Leaf sheaths usually longer than internodes, margin brown-hirsute; leaf blades stiff, 40–80 × 1–1.5 cm, uppermost usually very small, glabrous or tuberculate-pilose, margins scabrid, base narrowed, apex acuminate; ligule ca. 1.5 mm. Panicle loosely oblong in outline, 30–60 cm, golden or ferruginous brown, axis pilose, bearded at nodes, primary branches sparsely branched in lower part; racemes flexuously ascending, densely spiculate, 8–16 cm; rachis internodes 2–2.4 mm, ciliate. Spikelets 3–4 mm, brown; callus hairs a little shorter than spikelet, brown; lower glume oblong-lanceolate, papery becoming herbaceous toward apex, back brown-hirsute, apex narrowly truncate; lower lemma 3/4 length of glumes; upper lemma oblong, obtuse and awnless or minutely mucronate, varying to shortly 2-toothed and awned from sinus; awn twisted, bent, up to 6 mm. Anthers 3, 1.6–2.2 mm. Fl. and fr. Aug–Oct.
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Diagnostic Description

Synonym

Erianthus chrysothrix Hackel; E. fallax (Balansa) Ohwi; Narenga fallax (Balansa) Bor; N. fallax var. aristata (Balansa) L. Liu; Saccharum fallax var. aristatum Balansa; Sclerostachya fallax (Balansa) Grassl.
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Type Information

Syntype for Erianthus chrysothrix Hack.
Catalog Number: US 101591
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. B. Clarke
Locality: Shillong., India, Asia
  • Syntype: Hackel, E. 1891. Oesterr. Bot. Z. 41: 6.
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Syntype for Erianthus chrysothrix Hack.
Catalog Number: US 101592
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. B. Clarke
Locality: Shillong., India, Asia
  • Syntype: Hackel, E. 1891. Oesterr. Bot. Z. 41: 6.
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Syntype for Erianthus chrysothrix Hack.
Catalog Number: US 101589
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. B. Clarke
Locality: Nungklas., India, Asia
  • Syntype: Hackel, E. 1891. Oesterr. Bot. Z. 41: 6.
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Syntype for Erianthus chrysothrix Hack.
Catalog Number: US 101590
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. B. Clarke
Year Collected: 1885
Locality: Piffima, Naga hills., India, Asia-Tropical
  • Syntype: Hackel, E. 1891. Oesterr. Bot. Z. 41: 6.
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Ecology

Habitat

Hill slopes; 400–1000 m.
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Notes

Comments

This is a very handsome grass with a striking golden or rusty brown, softly hairy inflorescence. The racemes often contain a mixture of awned and awnless spikelets in varying proportions. Even adjacent spikelets may differ in this character, which is not related to whether the spikelet is sessile or pedicelled.
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