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FNA | Family List | FNA Vol. 28 | Sematophyllaceae

1. Acroporium Mitten, J. Linn. Soc., Bot. 10: 182. 1868. • [Greek akros, top, and poros, pore, possibly alluding to tubulose points of branches].

Wilfred B. Schofield

Plants small, yellowish to golden yellow, glossy. Stems 1[-10] cm, not or weakly complanate-foliate, irregularly to regularly pinnate or sometimes simple. Leaves imbricate or strongly divergent, sometimes somewhat falcate, narrowly to broadly ovate-lanceolate; margins entire; apex acute to acuminate; costa double or ecostate; alar cells elongate, inflated, pigmented, walls thin, region in 1 row, middle lamella not apparent, supra-alar cells not apparently differentiated; laminal cells narrowly rhomboid to linear, smooth or rarely 1-papillose. Sexual condition autoicous [synoicous, dioicous, or phyllodioicous]. Seta 0.4-0.7 cm. Capsule erect to inclined, ovoid to cylindric; exothecial cell walls collenchymatous; operculum conic, finely rostrate.

Species ca. 60 (1 in the flora): Florida, Mexico, Central America, South America, Asia, Africa, Pacific Islands, Australia; tropical and subtropical regions, predominantly Indo-Malaysia.

Lower Taxon


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