Centrolepis banksii (R.Br.) Roem. & Schult.

Species

Angiosperms > Poales > Restionaceae > Centrolepis

Characteristics

Herb, 2.5–12 cm high, annual. Leaves basal, tufted, glabrous; sheath 2–6 mm long, lamina straight, linear-subulate, 8–45 mm long, c. 1 mm wide. Cataphyll obtuse, 3–5 mm long. Scape terete, 1.5–11 cm long, glabrous. Heads terete, ovoid, 2–2.8 mm wide. Primary bracts separated by an internode 1–3 mm long, gaping at anthesis; outer bract cymbiform, 3–5 mm long, herbaceous, obtuse or rarely apiculate; inner bract similar, 2.5–4 mm long, obtuse. Secondary bracts 2 per pseudanthium, c. 3 mm long, obtuse, erose. Pseudanthia 9–25, all bisexual. Stamen adnate to gynophore; anther c. 0.6 mm long. Carpels 9–20; styles free; papillae simple, 0.03 mm long. Seed ovoid, c. 0.5 mm long.
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Herbs annual, 2--5 cm tall, densely tufted. Leaf sheath hyaline at margin; leaf blade linear to filiform, 0.7--2.5 cm, apex acute. Scapes thin, 1.2--5 cm, base surrounded by reduced, sheathlike leaves. Inflorescences 6--13-flowered; bracts ciliate at margin, apex obtuse, outer one sessile, ovate, 3--3.5 mm, inner one shortly stalked, suborbicular, 2.5--3 mm. Bracteoles 2, opposite, oblong or linear, ca. 2 mm. Stamen 1; filament 2--3 mm; anther ovoid. Carpels 14, free, adnate laterally to carpophore. Styles free, unequal, 1--3 mm, basal longest. Fruit small, membranous. Seeds yellowish brown, ovoid. Fl. and fr. Nov--Feb.
Annual, unbranched, 3-8 cm tall. Leaves 15-25 mm, tip acute; sheath 4 mm long, glabrous, ciliate. Scapes 2-7 cm. Bracts each obtuse, ciliate, and 6-11-flowered; outer bract ovate, 3-4 mm long, sessile, inner bract suborbicular, 2.5-3 mm long, short-stalked. Glumes 2, opposite, oblong or linear, 2-3 mm long. Filament 3 mm. Carpels 10-20, distinct, adnate laterally to a carpophore; styles free, unequal in length, 1-3 mm, the lower most one the longest.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.08
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Grows on margins of streams and wetlands, and moist sites in woodland or grassland, mainly on sandy alluvial soils.
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Lowland, in marshy ground, sandy meadows, and rice-fields after harvest.
Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 8-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Distribution

Centrolepis banksii world distribution map, present in Australia, China, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:162979-1
WFO ID wfo-0000353062
COL ID 5XHVM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Centrolepis banksii Desvauxia banksii Desvauxia pusilla Centrolepis pusilla Centrolepis hainanensis Centrolepis miboroides Centrolepis asiatica