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Family Centrolepidaceae

Description: Small, tufted annual or perennial herbs.

Leaves crowded at base of stem in annual species or imbricate and crowded along stems in perennial species, linear or bristly, with open scarious-hyaline sheaths, 1-veined.

Inflorescence a terminal spike or capitulum, usually on a leafless scape. Male and female flowers often united to form condensed inflorescence units resembling a bisexual flower (pseudanthia); pseudanthia enclosed by (primary) bracts, small secondary bracts often present. Flowers unisexual, minute. Tepals absent. Male flowers a solitary stamen; filament filiform; anther dorsifixed, 1-locular, dehiscing by longitudinal slit. Female flowers a solitary carpel, 1-locular; ovule pendulous, style filiform papillose and stigmatic along most of its length.

Fruit a small follicle, dry, 1-seeded, pericarp dehiscing longitudinally.


Distribution and occurrence: World: c. 4 genera, 40 species, mainly Australia, New Zealand, also New Guinea, South-East Asia & South America. Australia: 3 or 4 genera, c. 34 species, all States.

External links:
Angiosperm Phylogeny Website (Family: Centrolepidaceae, Order: Poales)
Wikipedia

Text by E. A. Brown
Taxon concept:

 Key to the genera 
1Inflorescence a spike with 6–11 distichous bractsAphelia
Inflorescence a head enclosed by a pair of bractsCentrolepis

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