Bulbophyllum maxillare

Bulbophyllum maxillare, commonly known as the red horntail orchid,[2] is a species of epiphytic orchid with tapered grooved, dark green to yellowish pseudobulbs, each with a single large, thin leaf and a single reddish flower with yellow or white edges. The lateral sepals are much larger than the dorsal sepal which in turn is much larger than the petals. It grows on the lower branches of rainforest trees in India, New Guinea and tropical North Queensland.

Red horntail orchid
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Dendrobieae
Genus: Bulbophyllum
Species:
B. maxillare
Binomial name
Bulbophyllum maxillare
Synonyms[1]

Description

Bulbophyllum maxillare is an epiphytic herb that has a creeping rhizome with tapered dark green to yellowish pseudobulbs 15–40 mm (0.6–2 in) long and 8–12 mm (0.31–0.47 in) wide well spaced along it. Each pseudobulb has a thin but stiff dark green to yellowish, elliptic to lance-shaped leaf 80–150 mm (3–6 in) long and 15–25 mm (0.59–0.98 in) wide with a stalk 10–20 mm (0.4–0.8 in) long. A single flower 60–90 mm (2–4 in) long and 20–25 mm (0.79–0.98 in) is borne on a thin flowering stem 100–200 mm (3.9–7.9 in) long. The flower is reddish to purplish with yellow or white edges. The dorsal sepal is oblong to lance-shaped, 20–35 mm (0.79–1.4 in) long and 3–4 mm (0.12–0.16 in) wide with short, dense hairs on its edges. The lateral sepals are egg-shaped to lance-shaped, 35–80 mm (1.4–3.1 in) long and 5–7 mm (0.20–0.28 in) wide with a thin "tail" a further 20–30 mm (0.79–1.2 in) long. The petals are curved, form a hood over the column, 4–7 mm (0.16–0.28 in) long and about 2 mm (0.079 in) wide. The labellum is purple and yellow, 5–7 mm (0.20–0.28 in) long and about 2 mm (0.08 in) wide with a thin extension on its tip. Flowering occurs between July and October in Australia.[2][3][4][5]

Taxonomy and naming

The red horntail orchid was first formally described in 1843 by John Lindley who gave it the name Cirrhopetalum maxillare and published the description in Edwards's Botanical Register.[1][6] In 1861 Heinrich Gustav Reichenbach changed the name to Bulbophyllum maxillare.[1]

Distribution and habitat

Bulbophyllum maxillare grows on the lower trunks and branches of rainforest trees on the Andaman and Nicobar Islands, the Malay Peninsula Borneo, Java, the Philippines, Sulawesi, Sumatra, the Solomon Islands, New Guinea and in Australia on Moa Island, Shelburne Bay near Cape Grenville and near the Rocky River.[2][3][4][5][7][8]

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References
  1. "Bulbophyllum maxillare". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. pp. 425–426. ISBN 1877069124.
  3. "Ephippium masdevalliaceum". Trin keys: Australian Tropical Rainforest Orchids. Retrieved 6 December 2018.
  4. "Bulbophyllum maxillare". Retrieved 6 December 2018.
  5. Alappatt, Joju P. (2013). "Bulbophyllum maxillare (Orchidaceae) - a new record for India from Andaman & Nicobar Islands" (PDF). Rheedea. 23 (1): 40–42. Retrieved 7 December 2018.
  6. Lindley, John (1843). "Cirrhopetalum". Edwards's Botanical Register. 29: 49. Retrieved 7 December 2018.
  7. Seidenfaden, Gunnar; Wood, Jeffrey J. (1992). The orchids of peninsular Malaysia and Singapore. Fredensborg: Published in association with the Royal Botanic Gardens, Kew & Botanic Gardens, Singapore [by] Olsen & Olsen. p. 517. ISBN 8785215244.
  8. "Bulbophyllum maxillare". National Parks Board, Singaport. Retrieved 7 December 2018.
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