Calanthe arcuata Rolfe

국표에 없다.

Calanthe arcuata is an orchid species identified by Rolfe in 1896.

Genus

Calanthe (Cal.)

Grex

arcuata
(name currently accepted by Kew)

Parents

Species

Author

Rolfe

Year

1896

ORIGIN: Found in southern China in humus rich and moist places or in rocks covered with soil and leaf litter at elevations of 1400 to 3100 meters.

DESCRIPTION: Small to medium sized, cool to cold growing terrestrial with small, conical, pseudobulbs carrying 3 to 4, narrowly elliptic-lanceolate, to narrow lanceolate leaves taht blooms in the spring through early fall on an erect, usually solitary, 12 to 20 [30 to 50 cm] long, densely short hairy, racemose, usually laxly 10 flowered inflorescence.

FLOWER SIZE: 1.2 to 1.4 inches [3 to 3.4 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).

https://www.orchids.org/grexes/calanthe-arcuata#:~:text=DESCRIPTION%3A Small to medium sized%2C cool to cold,short hairy%2C racemose%2C usually laxly 10 flowered inflorescence.

 

• Bull. Misc. Inform. Kew 1896: 196 (1896)

• This name is reported by Orchidaceae as an accepted name in the genus Calanthe (family Orchidaceae).

  The record derives from WCSP which reports it as an accepted name (record 30063)

Cite taxon page as 'WFO (2023): Calanthe arcuata Rolfe. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000761628. Accessed on: 03 Jun 2023'

General Information

Plants 18-45 cm tall. Rhizome inconspicuous. Pseudobulbs conic, small, ca. 1 cm in diam., with 2 or 3 sheaths. Leaves 3 or 4, basal, well developed at anthesis, not deciduous; blade narrowly elliptic-lanceolate or narrowly lanceolate, 15-28 × 0.7-3 cm, apex acute or acuminate; petiole-like base sheathing, often forming a pseudostem 2-3 cm. Scapes 1 or 2, arising from leaf axil, erect, 30-50 cm, densely puberulent or glabrous; rachis 10-25 cm, laxly ca. 10-flowered; floral bracts persistent, herbaceous, narrowly lanceolate, 10-18 mm, glabrous. Flowers white to yellowish green, flushed reddish brown on outer surfaces; pedicel and ovary arcuate, 14-20 mm, densely puberulent. Sepals similar, narrowly lanceolate, 17-22 × ca. 4 mm, glabrous, 5-veined, apex acuminate. Petals linear, 17-22 × 2-3 mm, 3-veined, apex acuminate; lip adnate to entire length of column wings, white, tinged purple at apex, usually turning yellow later, 11-18 × 4-6 mm, 3-lobed or rarely almost unlobed; lateral lobes ovate-triangular or suboblong, oblique, ca. 7 mm across their apices, apical margin sometimes toothed, apex acute; mid-lobe elliptic-rhombic, 8-10 × 6-7 mm, base usually clawed, margin undulate and irregularly toothed, apex aristate; disk with 3-5 ridges; spur cylindric, slender, ca. 5 mm, glabrous or sparsely puberulent, apex obtuse. Column 4-5 mm, thick, dilated toward apex, glabrous or sometimes sparsely puberulent; column wings triangular, dilated at apex and embracing stigma; rostellum furcately 2-lobed; lobes ca. 1.2 mm; anther relatively small; pollinia narrowly ovoid, equal in size, ca. 1.2 mm; viscidium suboblong, small. Capsule subellipsoid, ca. 20 × 8 mm. Fl. May-Sep. 2n = 38*, 40*.

• Provided by: [A].Flora of China @ efloras.org

Calanthe arcuata Rolfe (worldfloraonline.org)

https://youtu.be/Lqkbu--GGbg