Bulbophyllum caldericola

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Bulbophyllum caldericola
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Dendrobieae
Genus: Bulbophyllum
Species:
B. caldericola
Binomial name
Bulbophyllum caldericola

Bulbophyllum caldericola is a species of epiphytic or lithophytic orchid with inconspicuous, well-spaced pseudobulbs arranged along rhizomes which mostly hang from the surface on which they are growing. Each pseudobulb has a single, fleshy, channelled leaf and a single white flower with yellow tips. It grows on the trunks and larger branches of rainforest trees near the eastern border between New South Wales and Queensland.

Contents

Description

Bulbophyllum caldericola is an epiphytic or lithophytic herb with its rhizomes mostly hanging with only the base attached to the surface on which they are growing. The pseudobulbs are 7–12 mm (0.28–0.47 in) long, 3–5 mm (0.1–0.2 in) wide and spaced 15–25 mm (0.6–1 in) apart along the rhizomes. Each pseudobulb has a thick, fleshy, narrow oblong to lance-shaped leaf 250–800 mm (10–30 in) long and 5–13 mm (0.20–0.51 in) wide with a channelled upper surface. A single white flower with yellow tips is borne on a flowering stem 50–80 mm (2–3 in) long. The sepals are narrow triangular in shape, 6–8 mm (0.24–0.31 in) long, the lateral sepals joined at their sides for about half their length. The petals are much shorter than the sepals. The labellum is orange with a sharp bend near the middle. Flowering occurs from October to November. [2]

Taxonomy and naming

Bulbophyllum caldericola was first formally described in 1993 by Gerry Walsh who published the description in The Orchadian from a specimen collected in the Tweed Range. [3] The specific epithet (caldericola) is derived from the Latin word caldaria [4] :179 and the suffix -cola meaning "dweller" or "inhabitant". [4] :217 The distribution of this species includes the caldera of the Tweed Volcano. [5]

Distribution and habitat

This orchid grows on trunks and larger branches of rainforest trees above 700 m (2,000 ft) in the Tweed and Border Ranges. [2]

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<i>Bulbophyllum exiguum</i> Species of orchid

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<i>Bulbophyllum gracillimum</i> Species of orchid

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<i>Bulbophyllum grandimesense</i> Species of orchid

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Bulbophyllum johnsonii, commonly known as the yellow snake orchid, is a species of epiphytic or lithophytic orchid that has a thin, creeping rhizome with flattened pseudobulbs, each with a single tough, dark green leaf and a single bright yellow to orange flower on a thread-like stalk. It grows on trees, shrubs and rocks in and near rainforest in tropical North Queensland.

Bulbophyllum lamingtonense, commonly known as the cream rope orchid, is a species of epiphytic or lithophytic orchid with well-spaced pseudobulbs and brown bracts arranged along the stems. Each pseudobulb has a single, fleshy, channelled leaf and a single cream-coloured or white flower with yellow tips. It grows on trees and rocks near cliffs and the edge of rainforest near the eastern border between New South Wales and Queensland.

Bulbophyllum lewisense, commonly known as the Mount Lewis rope orchid, is a species of epiphytic orchid with pseudobulbs and pale brown bracts arranged along the stems. Each pseudobulb has a single, dark green, channelled leaf and a single white flower with pointed tips on the sepals. It grows on the higher branches of rainforest trees, often where it is exposed to breezes on the higher tablelands of tropical North Queensland.

<i>Bulbophyllum longiflorum</i> Species of orchid

Bulbophyllum longiflorum, commonly known as the pale umbrella orchid, is a species of epiphytic or lithophytic orchid. It has a creeping rhizome, widely spaced, dark green pseudobulbs with a single large, fleshy leaf, and flowers spreading in a semicircular umbel, resembling one-half of an umbrella. The flowers are canoe-shaped, greenish cream-coloured to yellowish with purple dots. It has a wide distribution and is found in parts of Africa, on islands in the Indian and Pacific Oceans, Southeast Asia, New Guinea and northern Australia.

Bulbophyllum macphersonii, commonly known as eyelash orchids, is a species of epiphytic or lithophytic orchid that is endemic to Queensland. It has tiny, crowded, slightly flattened, dark green pseudobulbs, a single thick, fleshy leaf and a single dark red to purplish red flower with a narrow labellum. It grows on trees and rocks in sheltered places.

Bulbophyllum nematopodum, commonly known as the green cowl orchid, is a species of epiphytic or lithophytic orchid that has small, flask-shaped pseudobulbs pressed against the surface on which it grows. Each pseudobulb has roots at its base, a single shiny, fleshy leaf and a single cream-coloured flower with red spots on its top. It grows on trees and rocks in rainforest and is endemic to tropical North Queensland.

<i>Bulbophyllum newportii</i> Species of orchid

Bulbophyllum newportii, commonly known as the cupped strand orchid, is a species of epiphytic or lithophytic orchid that is endemic to tropical North Queensland. It has widely spaced, oval or cone-shaped, light green pseudobulbs, a single stiff, dark green egg-shaped leaf and up to eight bell-shaped white, cream-coloured or greenish flowers with a long, narrow yellow labellum. It grows on trees and rocks, usually at moderate to high elevations.

Bulbophyllum radicans, commonly known as the striped pyjama orchid, is a species of epiphytic or lithophytic orchid with long, hanging stems with roots near the base and covered with brown, papery bracts which partially hide the pseudobulbs. Each pseudobulb has a single thin leaf. A single small pink, cream-coloured or yellow flower with red or purplish stripes is borne on a thin flowering stem that emerges from the base of the psudobulb. This orchid grows on trees or rocks in or near rainforest in tropical North Queensland.

<i>Bulbophyllum schillerianum</i> Species of orchid

Bulbophyllum schillerianum, commonly known as the red rope orchid, is a species of epiphytic or lithophytic orchid. It has well-spaced pseudobulbs each with a single grooved leaf and cluster of small, red or orange flowers with a hairy labellum. It grows on trees and rocks sometimes in rainforest but also on trees in cleared paddocks, and is endemic to eastern Australia.

<i>Bulbophyllum shepherdii</i> Species of orchid

Bulbophyllum shepherdii, commonly known as the wheat-leaf rope orchid, is a species of epiphytic or lithophytic orchid that forms a dense mat of branching rhizomes pressed against the surface on which it grows. The pseudobulbs are well spaced along the rhizome, each with a single egg-shaped leaf and a single small, white or cream-coloured flower with yellow tips. It grows on trees and rocks in rainforest and is endemic to eastern Australia.

<i>Bulbophyllum wadsworthii</i> Species of orchid

Bulbophyllum wadsworthii, commonly known as the yellow rope orchid, is a species of epiphytic or lithophytic orchid that forms clumps that hang off the surface on which the plant is growing. The pseudobulbs are small and partly hidden by brown, papery bracts. Each pseudobulb has a single fleshy, dark green leaf and a single star-shaped, cream-coloured or pale green flower with an orange labellum. It mainly grows on trees and rocks in rainforest and is endemic to Queensland.

Bulbophyllum windsorense, commonly known as the thread-tipped rope orchid, is a species of epiphytic orchid that has small pseudobulbs partly hidden by brown, papery bracts. Each pseudobulb has a single fleshy, dark green, grooved leaf and one or two cream-coloured or greenish flowers. It mainly grows near the breezy tops of trees, especially Callitris macleayana trees and is endemic to tropical North Queensland.

<i>Bulbophyllum wolfei</i> Species of orchid

Bulbophyllum wolfei, commonly known as the fleshy snake orchid, is a species of epiphytic or lithophytic orchid with thin, creeping rhizomes, and flattened pseudobulbs each with a single thick, fleshy, dark green leaf and a single cream-coloured flower with dark red stripes. It mostly grows on rainforest trees in tropical North Queensland.

References

  1. "Bulbophyllum caldericola". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. 1 2 Harden, Gwen, ed. (1993). Flora of New South Wales. Kensington: New South Wales University Press. pp. 234–235. ISBN   0868401889.
  3. "Bulbophyllum caldericola". APNI. Retrieved 10 December 2018.
  4. 1 2 Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
  5. "Thunder Down Under: Tweed Volcano, Australia". National Aeronautics and Space Administration. Retrieved 10 December 2018.