Australian Tropical Rainforest Plants - Online edition

Romnalda ophiopogonoides Conran, P.I.Forst. & Donnon


Grass
Herb (herbaceous or woody, under 1 m tall)
Click/tap on images to enlarge
Flowers. © G. Sankowsky
Habit and leaves. © G. Sankowsky
Family

Conran, J.G., Forster, P.I. & Donnon, M. (2008) Telopea 12(2): 173. Type: Queensland: Cook District: Mount Sorrow track before razorback, Daintree National Park, 2.5 km W of Cape Tribulation, P.I. Forster 21988, R. Booth, R. Jago & R. Jensen, 2 Dec 1997 (BRI [1 sheet + spirit]). (Iso: MEL, QRS).

Stem

Plants 10-15 cm tall, tufted to clump forming. Stems to c. 6 cm long, branching, erect with wiry, stilt-like adventitious supporting roots.

Leaves

Leaves numerous, 6-12 cm long, 3-4 mm wide, concolorous, obtuse to truncate with 3-4 (rarely 5) minute apical teeth.

Flowers

Inflorescence 8-20 cm long, simple or few-branched; peduncle dark purplish green; flowers clustered in axils and along branches. Flowers white, each subtended by a small, brownish purple persistent bract. Sepals and petals similar in appearance. Outer perianth whorl of 3 sepals deltoid, 3.0-3.5 mm long, and 1-2 mm wide, abaxial apex purple. Inner perianth whorl of 3 petals ovate-elliptic, 3.5-4 mm long and 1.1-1.4 mm wide. Stamen filaments basally narrow-triangular, pale cream, outer 3 to 2.0 mm long, fused basally to sepals for 0.25 mm, inner 3 to 2.0 mm long, fused basally to sepals for 0.75 mm; anthers c. 0.6 mm long. Ovary minute.

Fruit

Capsule hemispherical, 7-9 mm long, 5-6 mm wide, somewhat flattened and tapering into a long, persistent stylar beach abaxially. Seed not seen.

Seedlings

Not available.

Distribution and Ecology

Endemic to NEQ, only known from a few locations in the Cape Tribulation area of Daintree National Park. Altitudinal range usually below 800 m. Grows in shade of rainforest and vine forest.

Synonyms
Romnalda sp. Roaring Meg (P.I.Forster 4402), : (), Type: Provisional name.
RFK Code
4305
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