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Setaria palmifolia

(Broadleaved Bristlegrass)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Chinese:

Zhu Tou Cao, Zhu Ye Cao, Zong Mao, Zong Ye Cao, Zong Ye Gou Wei Cao

Common Names in Creoles and Pidgins, French:

Kru Belong Grass

Common Names in English:

Broadleaved Bristlegrass, Hailans Pitpit, Highland Pitpit, Malaysian Palm Grass, Palm Grass, Palmgrass, Short Pitpit

Common Names in Japanese:

Sasa Kibi

Common Names in Malay:

Lintabung (Indonesia), Rumput Daun Pisang

Common Names in Thai:

Ya Kap Phai

Description

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Genus Setaria

Annuals or perennials . Culms usually tufted , slender to robust or canelike. Leaf blades linear to lanceolate, sometimes plicate or narrowed to a false petiole ; ligule ciliate from a membranous base . Inflorescence a panicle, dense and spikelike or open with the spikelets contracted around the primary branches; spikelets (or some of them) subtended by one to several bristles which persist on the branches after the spikelets fall . Spikelets elliptic , plano-convex , sometimes gibbous , awnless, florets 2; glumes and lower lemma membranous to herbaceous; lower glume ovate from a clasping base, usually less than 1/2 spikelet length, 3-5-veined; upper glume half as long to equaling spikelet, several-veined; lower floret staminate or neuter , sometimes sulcate , its palea present, reduced or absent; upper lemma crustaceous, strongly convex , rugose , punctate or smooth , margins inrolled . x = 9.

About 130 species: tropics and subtropics, extending to warm-temperate regions of the world; 14 species (three endemic, one introduced ) in China.

The bristles in the inflorescence represent modified branchlets . The genus includes pasture grasses, a cereal crop , and a few noxious weeds .[1]

Physical Description

Species Setaria palmifolia

Perennial from a short knotty rhizome. Culms erect or slightly geniculate , 75-200 cm tall, 3-7(-10) mm in diam. Leaf sheaths usually sparsely hispid , margins tuberculate-ciliate near ligule, otherwise glabrous ; leaf blades fusiform-lanceolate, plicate , 20-60 × 2-7 cm, glabrous or hispid, narrowed toward base , apex acuminate; ligule 2-3 mm, ciliate . Panicle 20-60 × 2-10 cm, branches up to 20 cm, laxly spreading , flexuous , some spikelets subtended by a single 5-15 mm bristle . Spikelets broadly lanceolate, 3-4 mm, acute; lower glume triangular-ovate, 1/3-1/2 as long as spikelet, obtuse to acute; upper glume ovate, 1/2-3/4 as long as spikelet, 5-7-veined, acute; lower lemma neuter , often distinctly longer than upper floret, 5-veined, tipped with a short incurved beak ; lower palea narrow, hyaline , 2/3 as long as lemma; upper lemma indistinctly rugulose to almost smooth , slightly shiny, apex apiculate , green and compressed . Fl. and fr. Aug-Dec. 2n = 36, 54. [source]

Panicum palmifolium Willdenow ex Poiret (1816) is a nomen novum for the illegitimate later homonym P. plicatum Willdenow (1809), not Lamarck (1791), but is itself illegitimate as a later homonym of P. palmifolium J. König (1788). Both Chaemaeraphis palmifolia and Chaetochloa palmifolia are based on P. palmifolium Willdenow ex Poiret, but must be treated as nomina nova rather than new combinations . [source]

Habit: Evergreen .

Flowers: Bloom Period: September, October, November. • Flower Color: cream, tan

Size/Age/Growth

Size: 4-6' tall.

Habitat

Open forests , thicket margins , shady pathsides.[2].

Typically found at an altitude of 0 to 3,613 meters (0 to 11,854 feet).[3]

Biology

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Growth

Culture: Space 24-36" apart.

Sunlight: Sun Exposure: Full sun to partial shade.

Temperature: Cold Hardiness: 8a, 8b, 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Synonyms

Chaetochloa palmifolia Hitchcock & Chase; Panicum Neurodes Schultes • Chamaeraphis palmifolia Kuntze • Naturforscher 23: 208. 1788 ["palmaefolium" ;] • P. palmifolium Willdenow ex Poiret (1816) • P. plicatum Willdenow (1809) • Panicum palmifolium J. König • Panicum palmifolium Koenig • Setaria palmifolia auct. non (Koenig) Stapf • Setaria palmifolia< /i> (J. Kã¶nig) Stapf{?}

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Setaria

ZipcodeZoo has pages for 47 species, subspecies, varieties, forms, and cultivars in this genus:

S. adhaerens (Burr Bristlegrass) · S. arizonica (Arizona Bristlegrass) · S. barbata (East Indian Bristlegrass) · S. corrugata (Coastal Bristlegrass) · S. faberi (Chinese Foxtail) · S. faberii (Faber´s Bristlegrass) · S. firmula (Knot Grass) · S. glauca sensu (Yellow Bristlegrass) · S. grisebachii (Grisebach Bristlegrass) · S. italica (Foxtail Bristlegrass) · S. italica var. italica (Foxtail Bristlegrass) · S. italica var. maxima (Tall Foxtail Millet) · S. italica viridis (Green Bristle Grass) · S. italica 'Highlander' (Foxtail Millet) · S. italica 'Lime Light Spray' (Foxtail Millet) · S. leucopila (Bristlegrass) · S. liebmannii (Liebmann Bristlegrass) · S. macrosperma (Coral Bristlegrass) · S. magna (Giant Bristlegrass) · S. megaphylla (Bigleaf Bristlegrass) · S. nigrirostris (Black Bristlegrass) · S. palmifolia (Broadleaved Bristlegrass) · S. palmifolia 'Variegata' (Malaysian Palm Grass) · S. parviflora (Knotroot Bristlegrass) · S. plicata (Wrinkle-Leaved Bristlegrass) · S. pradana (Roadside Bristlegrass) · S. pumila (Cattail Grass) · S. pumila pallidifusca (Yellow Bristlegrass) · S. ramiseta (Bristle Panicum) · S. rariflora (Brazilian Bristlegrass) · S. reverchonii (Reverchon Bristlegrass) · S. scheelei (Southwestern Bristlegrass) · S. setosa (West Indian Bristlegrass) · S. setosa var. leiophylla (West Indian Bristlegrass) · S. setosa var. setosa (West Indian Bristlegrass) · S. sphacelata (African Bristlegrass) · S. tenacissima (Tropical Bristlegrass) · S. texana (Texas Bristlegrass) · S. utowanaea (Caribbean Bristlegrass) · S. verticillata (Bristly Foxtail) · S. verticillata var. verticillata (Bristly Foxtail) · S. verticilliformis (Barbed Bristlegrass) · S. villosissima (Hairy Bristlegrass) · S. viridis (Bottle Grass) · S. viridis var. major (Bottle Grass) · S. viridis var. viridis (Green Bristlegrass) · S. vulpiseta (Plains Bristlegrass)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 15, 2007:

Identifiers

Footnotes

  1. Shou-liang Chen & Sylvia M. Phillips "Setaria". in Flora of China Vol. 22 Page 1, 499, 531, 537, 549. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Setaria palmifolia". in Flora of China Vol. 22 Page 531, 532. Missouri Botanical Garden Press. Online at EFloras.org. [back]
  3. Mean = 988.940 meters (3,244.554 feet), Standard Deviation = 914.940 based on 207 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/15/2012