Habenaria fuscina

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Green rein orchid
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Genus: Habenaria
Species:
H. fuscina
Binomial name
Habenaria fuscina

Habenaria fuscina, commonly known as the green rein orchid, [2] is a species of orchid that is endemic to Cape York Peninsula. It has two or three leaves at its base and up to fifteen small green and white flowers with a labellum shaped like a trident.

Contents

Description

Habenaria fuscina is a tuberous, perennial herb with two or three upright leaves at its base, the leaves 50–120 mm (2–5 in) long and 12–16 mm (0.5–0.6 in) wide. Between eight and fifteen green and white flowers, 10–12 mm (0.4–0.5 in) long and 6–10 mm (0.2–0.4 in) wide are borne on a flowering stem 200–350 mm (8–10 in) tall. The dorsal sepal is about 5 mm (0.20 in) long and 3 mm (0.1 in) wide, overlapping with the base of the petals to form a hood over the column. The lateral sepals are about 5 mm (0.20 in) long, 2 mm (0.08 in) wide, turn downwards and spread widely apart from each other. The petals are about 5 mm (0.2 in) long and 2 mm (0.08 in) wide. The labellum is shaped like a trident, 6–7.5 mm (0.2–0.3 in) long, 5–6 mm (0.20–0.24 in) wide with three lobes. The side lobes are about 5 mm (0.2 in) long and the middle lobe is about 4 mm (0.2 in) long. The nectary spur is white with a greenish tip, 8–9 mm (0.3–0.4 in) long and about 2 mm (0.08 in) wide. Flowering occurs from February to April. [2]

Taxonomy and naming

Habenaria fuscina was first formally described in 2002 by David Jones and the description was published in The Orchadian. [3] The specific epithet (fuscina) is Latin word meaning "a three-pronged fork" or "trident". [4]

Distribution and habitat

The green rein grows with sedges and rushes in low-lying areas on the northern parts of the Cape York Peninsula. [2]

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<i>Habenaria rumphii</i> Species of orchid

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Habenaria ochroleuca, commonly known as the sickle orchid or sickle habenaria, is a species of orchid that is endemic to northern Australia. It has two or three broad, glabrous leaves and up to twenty five white flowers on a flowering stem with many overlapping bracts. The side lobes of the labellum curve upwards.

Habenaria praecox, commonly known as the early rein orchid, is a species of orchid that is endemic to the north coast of Queensland. It has between two and four narrow, upright leaves at its base and up to thirty five small white flowers with a green dorsal sepal.

Habenaria triplonema, commonly known as the twisted rein orchid, is a species of orchid that is endemic to northern Australia. It two or three leaves at its base and up to twenty five yellowish, strongly scented flowers.

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Habenaria vatia, commonly known as the curved rein orchid, is a species of orchid, that is endemic Queensland where it is only known from a small number of islands. It has between three and five leaves at its base and up to twenty-five small white flowers with a relatively long green and white nectary spur.

<i>Habenaria xanthantha</i> Species of orchid

Habenaria xanthantha, commonly known as the freak rein orchid, is a species of orchid that is endemic to far northern Queensland. It has two or three leaves at its base and up to twenty small white flowers often lacking the nectary spur present on other species in the genus.

<i>Dendrobium tozerense</i> Species of orchid

Dendrobium tozerense, commonly known as the white gemini orchid, is an epiphytic or lithophytic orchid in the family Orchidaceae. It has thin, wiry stems, stiff leaves and pairs of star-shaped, white flowers. It grows in rainforest in tropical North Queensland, Australia.

References

  1. "Habenaria fuscina". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. 1 2 3 Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p. 342. ISBN   1877069124.
  3. "Habenaria fuscina". APNI. Retrieved 25 August 2018.
  4. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 345.