Australian Tropical Rainforest Plants - Online edition

Lepidagathis royenii Bremek.

Herb (herbaceous or woody, under 1 m tall)
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Herbarium specimen. © DERM

Bremekamp, C.E.B. (1975) Nova Guinea 8: 143, fig. 6. Type: van Royen 4150,, Foothills of Cycloop Mts, near Hoebal River, District Hollandia.


Erect herb 15-30 cm tall. Stems quadrangular, smooth.


Petiole 0.5-1.5 cm long. Leaf blade 40-50 x 25-30 mm. Numerous cigar-shaped glands visible on both the upper and lower surfaces of the leaf blade. Lateral veins 5-7 on each side of the midrib.


Inflorescence a terminal group of 3-5 dense spikes. Bracts 4-4.5 mm long, linear-lanceolate. Bracteoles 2. Adaxial sepal free, abaxial sepals fused for half their length. Corolla white, 3-4 mm long, corolla lobes hairy on outer surface. Filaments hairy at base. Disc annular with undulate margin. Style 2-2.2 mm long.


Capsule 4-5 mm long, hairy at apex with 4 seeds. Seed with prominent hook at base, seed 0.6 mm diameter, with short appressed hairs.


Features not available.

Distribution and Ecology

Occurs in CYP, a native species recorded from the Massey Creek area. Also from Irian Jaya and Papua New Guinea. Grows in riverine and gallery rainforest.

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