Taeniophyllum lobatum

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Yellow ribbonroot
LR074 72dpi Taeniophyllum lobatum.jpg
Illustration by Lewis Roberts
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Taeniophyllum
Species:
T. lobatum
Binomial name
Taeniophyllum lobatum
Synonyms [1]

Taeniophyllum flavum Dockrill

Taeniophyllum lobatum, commonly known as the yellow ribbonroot, [2] is a species of leafless epiphytic or lithophytic orchid that forms small clumps. It has short stems, flattened pale to greyish green roots pressed against the substrate on which it is growing and usually two pale to bright yellow flowers. It only occurs in tropical North Queensland.

Contents

Description

Taeniophyllum lobatum is a leafless, epiphytic or lithophytic herb that forms small clumps. It has a stem about 1 millimetre (0.039 in) long, and flattened pale to greyish green, photosynthetic roots that are 30–80 millimetres (1.2–3.1 in) long and 3–5 millimetres (0.12–0.20 in) wide pressed against the substrate. Two pale to bright yellow, resupinate flowers about 3 millimetres (0.12 in) long and wide are borne on a hairy white flowering stem 5–15 millimetres (0.20–0.59 in) long. The sepals and petals spread widely apart and are about 2.5 millimetres (0.098 in) long and 1 millimetre (0.039 in) wide with hairs near the base of their outer side. The labellum is boat-shaped, about 2 millimetres (0.079 in) long and 1.5 millimetres (0.059 in) wide three lobes. The side lobes are erect, curve inwards and touch. The middle lobe has a cylindrical spur about 1 millimetre (0.039 in) long. Flowering occurs from August to November. [2] [3]

Taxonomy and naming

Taeniophyllum lobatum was first formally described in 1956 by Alick Dockrill and the description was published in The Victorian Naturalist . [4] [5] The specific epithet (lobatum) is derived from the Latin word lobus meaning "an elongated projection or protuberance", [6] referring to "the large lateral lobes of the labellum". [5]

Distribution and habitat

The yellow ribbonroot mostly grows on the smallest branches of rainforest trees sometimes on rocks. It is found between the McIlwraith Range and Paluma in Queensland. [2] [3]

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<i>Micropera fasciculata</i> Species of orchid

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Taeniophyllum clementsii, commonly known as the fleshy threadfoot, is a species of leafless epiphytic orchid which only grows as single plants. It has short stems and flattened green roots pressed against the tree on which it is growing. Between five and fifty small, pale green, tube-shaped flowers are arranged on a zig-zagged flowering stem. The flowers open one at a time, with the flowering stem increasing in length as each flower opens. This orchid only grows in a small area of tropical North Queensland.

<i>Plectorrhiza brevilabris</i>

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<i>Robiquetia gracilistipes</i>

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<i>Robiquetia wassellii</i>

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Taeniophyllum confertum, commonly known as the crowded ribbonroot, is a species of leafless epiphytic orchid which only grows as single plants that form small clumps. It has short stems and flattened green roots pressed against the tree on which it is growing. Between five and ten pale green, tube-shaped flowers open one at a time. This orchid only grows in a small area of tropical North Queensland.

Taeniophyllum muelleri, commonly known as the chain ribbonroot, is a species of leafless epiphytic or lithophytic orchid that usually forms tangled colonies. It has short stems and cylindrical green roots pressed against the substrate on which it is growing. Between five and twelve yellowish green, tube-shaped flowers open one at a time. This orchid occurs in eastern Australia and New Caledonia.

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<i>Taeniophyllum malianum</i> Species of orchid

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Taeniophyllum norfolkianum, commonly known as the Norfolk Island ribbonroot, is a species of small, leafless epiphytic orchid. It has short stems, cylindrical green roots pressed against the substrate on which it is growing and between two and five small, tube-shaped, yellowish green flowers opening one at a time. It occurs on Norfolk Island but has also been reported from the North Island of New Zealand.

<i>Thrixspermum congestum</i> Species of orchid

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<i>Trachoma stellatum</i> Species of orchid

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<i>Trichoglottis australiensis</i> Species of orchid

Trichoglottis australiensis, commonly known as the weeping cherub orchid, is an epiphytic or lithophytic clump-forming orchid. It has thick, cord-like roots, flattened, branching stems, many thick, leathery, glossy leaves and between two and six creamy yellow flowers with reddish blotches. This orchid only occurs in tropical North Queensland.

References

  1. 1 2 "Taeniophyllum lobatum". 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. 454. ISBN   1877069124.
  3. 1 2 "Taeniophyllum lobatum". Trin keys: Australian Tropical Rainforest Orchids. Retrieved 7 January 2019.
  4. "Taeniophyllum lobatum". APNI. Retrieved 7 January 2019.
  5. 1 2 Dockrill, Alick William (1956). "A new species of Taeniophyllum (Orchidaceae)". The Victorian Naturalist. 73: 45–46. Retrieved 7 January 2019.
  6. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 634.