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Corsia dispar

Family

Corsiaceae

Botanical Name

Corsia dispar D.L.Jones & B.Gray

Jones, D.L. & Gray, B. (2008) Austrobaileya 7(4): 719. Type: Queensland, Cook District: Longlands Gap, Herberton Range, 6 April 1999, B.Gray 7516 (holo: QRS; iso: BRI, CANB, MEL, MO, NSW).

Synonyms

Corsia sp. (Herberton Range B.Gray 3994), Census of the Queensland Flora 2007: 53(2007), Type: ?.

Stem

Stems erect, 13-30 cm tall, completely devoid of chlorophyll, purplish pink.

Leaves

Plants pink-brown in colour, without chlorophyll. Leaves sessile, 6-18 per plant. Each leaf 3-18 x 2-8 mm, the base clasping the stem. Venation longitudinal and parallel with 1 or 2 major veins on each side of the midrib.

Flowers

Floral bracts about 20 x 3 mm, 5-veined. Sepals and petals 5-10 mm long, large sepal (tepal) cordate, 15-30 x 11-18 mm on a stalk 3-4 mm long. Gland visible on the adaxial surface of the stalk towards the apex near its junction with the expanded part. Apex of the large lip-like perianth segment acuminate. Most perianth segments pink-brown to burgundy, large segment white or white at the base. Stamens about 2 mm long, shed readily. Ovary about 22 mm long. Placentas 3, ovules numerous, Style + stigma about 2 mm long.

Fruit

Capsule erect, linear-oblong, 20-35 mm long, 2-2.5 mm wide, brownish. Seeds red-brown to blackish, with transluscent funicles.

Seedlings

Features not available.

Distribution and Ecology

Occurs in NEQ. Known only from a few collections made on the Atherton Tableland and the mountains west of Mossman. Altitudinal range from 1000 -1100 m. Found in rainforest.

Natural History

Plants lack chlorophyll and grow as saprophytes.

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

RFK Code

6044