Sarcochilus serrulatus

Sarcochilus serrulatus, commonly known as the banded butterfly orchid,[2] is an epiphytic orchid endemic to tropical North Queensland. It has up to six crowded leaves with finely toothed and wavy edges and up to ten reddish brown flowers with a white, yellow-banded labellum.

Banded butterfly orchid
Sarcochilus serrulatus in Cedar Bay National Park
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Sarcochilus
Species:
S. serrulatus
Binomial name
Sarcochilus serrulatus

Description

Sarcochilus serrulatus is an epiphytic herb with a stem 10–20 mm (0.4–0.8 in) long with between three and six curved leaves 50–100 mm (2.0–3.9 in) long and about 20 mm (0.8 in) wide. The leaves are oblong to egg-shaped with wavy edges that have fine teeth. Between two and ten reddish brown flowers 14–18 mm (0.55–0.71 in) long and 12–15 mm (0.47–0.59 in) wide are arranged on a fleshy, club-shaped flowering stem 20–40 mm (0.8–2 in) long. The dorsal sepal is 5–6 mm (0.20–0.24 in) long and wide whilst the lateral sepals are 5–7 mm (0.20–0.28 in) long and 3–4 mm (0.12–0.16 in) wide. The petals are shorter and narrower than the lateral sepals. The labellum is white with reddish and yellowish markings, about 4 mm (0.2 in) long and wide with three lobes. The side lobes are erect and curve inwards and the middle lobe is fleshy with a spur about 3 mm (0.1 in) long. Flowering occurs between August and January.[2][3][4]

Taxonomy and naming

Sarcochilus serrulatus was first formally described in 1972 by David Jones and the description was published in The Victorian Naturalist.[5][4] The specific epithet (serrulatus) is derived from the Latin word serra meaning "toothed like a saw".[6]

Distribution and habitat

The banded butterfly orchid grows on trees in dense rainforest, usually near streams. It is only known from the Tablelands Region of north Queensland.[2][3][4]

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References
  1. "Sarcochilus serrulatus". 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. p. 451. ISBN 1877069124.
  3. "Sarcochilus serrulatus". Trin keys: Australian Rainforest Orchids. Retrieved 5 January 2019.
  4. Jones, David L. (1972). "A new Sarcochilus species from Northern Queensland". The Victorian Naturalist. 89: 344–346. Retrieved 5 January 2019.
  5. "Sarcochilus serrulatus". APNI. Retrieved 5 January 2019.
  6. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 682.
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