Habenaria szechuanica Schltr., Acta Horti Gothob. 1: 140. 1924.
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publication ID |
https://dx.doi.org/10.3897/phytokeys.175.59849 |
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persistent identifier |
https://treatment.plazi.org/id/AE76594F-764B-571B-A30C-F6E03C872CC9 |
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treatment provided by |
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scientific name |
Habenaria szechuanica Schltr., Acta Horti Gothob. 1: 140. 1924. |
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7. Habenaria szechuanica Schltr., Acta Horti Gothob. 1: 140. 1924.
Type.
China, Sichuan, 3200 m elev., 1922, Harry Smith 2916 [holotype: UPS (UPS-V-109140 image!); isotypes: E (E00381982 image!), LD (1072390 image!), PE (01516964!), S (S-G-7344 image!)] .
Description.
Terrestrial herbs, 18-30 cm tall. Tubers subglobose or ellipsoid. Stems erect, finely papillate-hairy. Leaves 2, opposite, basal; base obtuse-rounded, abruptly narrowed and amplexicaul; leaf blade broadly ovate or orbicular, 3-5 cm long, 3-5 cm broad, apex shortly acuminate or acute. Inflorescence 15-26 cm long, 3-8-flowered; rachis 5-12 cm long, papillate-hairy; floral bracts linear or lanceolate, apex acuminate. Flowers yellowish-green; ovary and pedicel twisted, fusiform, 1.2-1.5 cm long, papillate-hairy. Dorsal sepal forming a hood with petals, erect, ovate, concave, 7-8 mm long, 3-4 mm broad, apex obtuse; lateral sepals reflexed, obliquely ovate, 7-9 mm long, 3.5-4 mm broad, apex subobtuse. Petals shallowly 2-lobed; upper lobe obliquely oblong-lanceolate, 7-9 mm long, 2-2.5 mm broad, margin papillate-ciliate, apex obtuse; lower lobe a tooth at the base of upper lobe, ca. 1.5 mm long; lip reflexed, spurred, adaxially with a needle-like 5-7 mm long appendage near the entrance of spur, deeply 3-lobed; lateral lobes linear-filiform, 2.4-2.8(-4) cm long, apex often curled; mid-lobe linear, 1.2-2 cm long; spur cylindrical-clavate, 1.6-2.4 cm long, horizontally curved. Column stout, anther resupinate; stigma processes narrow, lingulate. (Fig. 16 View Figure 16 ).
Phenology.
Flowering in July and August.
Habitat.
Montane forests with Pinus yunnanensis Franch. and Picea sp.; 2900-4000 m elev.
Distribution.
N and S Hengduan; also in Shaanxi of China. (Fig. 17 View Figure 17 ).
More illustrations.
Wu et al. (2010, fig. 195, 1-4).
Additional specimens examined.
N HENGDUAN: Songpan, 3450 m elev., 2002, Y.B. Luo 850 (PE). S HENGDUAN: Xiangcheng, 3900 m elev., 1981, Team of Qinghai-Tibetan Plateau 4782c (PE). Yulong (Lijiang), 2900 m elev., 1981, Hengduan Mountain Team 02687 (PE, 4 duplicates).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.