长足石仙桃Pholidota longipes S. C. Chen et Z. H. Tsi
长足石仙桃Pholidota longipes S. C. Chen et Z. H. Tsi
9. 长足石仙桃(植物分类学报)
Pholidota longipes S. C. Chen et Z. H. Tsi in Acta Phytotax. Sin. 21 (3): 346. pl. 1 (4). 1983.
根状茎较粗壮,直径4-8毫米,被鳞片状鞘;假鳞茎较密集,圆柱状,向顶端渐狭,长4-11.5厘米,中部宽3-4毫米,顶端生2叶。叶狭椭圆状披针形,纸质,长8-16厘米,宽1. 5-3厘米,先端长渐尖,具多脉,基部渐狭为柄;叶柄长1-3厘米。花葶生于幼嫩假鳞茎顶端,发出时其基部连同幼叶均为鞘所包,长6-10厘米;总状花序长4-5厘米,具7-9朵花;花苞片卵形,凹陷,长5-6毫米,宽2.5-3毫米,宿存,至少在花期未脱落;花梗和子房长1-1.2厘米;花白色,芬香,直径约1.2厘米;萼片卵形,长1. 1-1.2厘米,宽约5毫米,先端钝或具短尖,凹陷成舟状,背面具龙骨状突起,具5脉;花瓣卵状椭圆形,略短于萼片,先端钝;唇瓣长约1厘米,中部缢缩而成前后唇;后唇凹陷成囊状,长约5毫米,宽约2.5毫米,近基部有2条纵褶片;前唇长圆形,长约5毫米,宽约3毫米,先端具短尖,基部有3条长约1毫米的粗脊;蕊柱宽阔,长约3毫米,两侧有翅;翅在上部宽达1毫米,在顶端围绕药床;蕊喙宽舌状,长约1毫米,宽约2毫米。蒴果倒卵形,长约1. 8厘米,宽约1厘米,具3棱,棱上有狭翅;果梗长5-10毫米。花期1月,果期不详。
产云南东南部(西畴、麻栗坡)。生于石灰岩沟谷阔叶林下阴湿岩石上,海拔1000-1400米。模式标本采自西畴。
形态特征:根状茎较粗壮,直径4—8毫米,被鳞片状鞘;假鳞茎较密集,圆柱状,向顶端渐 狭,长4—11.5厘米,中部宽3--4毫米,顶端生2叶。叶狭椭圆状披针形,纸质,长 8—16厘米,宽1.5—3厘米,先端长渐尖,具多脉,基部渐狭为柄;叶柄长1—3厘米。 花葶生于幼嫩假鳞茎顶端,发出时其基部连同幼叶均为鞘所包,长6—10厘米;总状花 序长4—5厘米,具7--9朵花;花苞片卵形,凹陷,长5--6毫米,宽2.5--3毫米,宿 存,至少在花期未脱落;花梗和子房长1—1,2厘米;花白色,芬香,直径约1.2厘米; 萼片卵形,长1.1—1.2厘米,宽约5毫米,先端钝或具短尖,凹陷成舟状,背面具龙 骨状突起,具5脉;花瓣卵状椭圆形,略短于萼片,先端钝;唇瓣长约l厘米,中部缢 缩而成前后唇;后唇凹陷成囊状,长约5毫米,宽约2.5毫米,近基部有2条纵褶片; 前唇长圆形,长约5毫米,宽约3毫米,先端具短尖,基部有3条长约1毫米的粗脊; 蕊柱宽阔,长约3毫米,两侧有翅;翅在上部宽达1毫米,在顶端围绕药床;蕊喙宽舌 状,长约1毫采,宽约2毫米。蒴果倒卵形,长约1.8厘米,宽约l厘米,具3棱,棱 上有狭翅;果梗长5—10毫米。 花期1月,果期不详。
产地分布:产云南东南部(西畴、麻栗坡)。生于石灰岩沟谷阔叶林下阴湿岩石上,海拔1000--1400米。模式标本采自西畴。
参考文献:Pholidota longipes S.C.Chen et Z.H.Tsi in Acta Phytotax.Sin,21(3):346. P1.1(4).1983.
《Flora of China》 Vol. 25 (2009)
Pholidota longipes S. C. Chen & Z. H. Tsi Acta Phytotax. Sin. 21: 346. 1983.
长足石仙桃 chang zu shi xian tao
Rhizome 4-8 mm in diam., stout, with scaly sheaths. Pseudobulbs rather dense, cylindric, 4-11.5 cm × 3-4 mm, attenuate toward apex, apex 2-leaved. Leaf blade narrowly elliptic-lanceolate, 8-16 × 1.5-3 cm, papery, with many veins, long acuminate; petiole 1-3 cm. Inflorescence arising with young pseudobulb and young leaves from base of last pseudobulb, 6-10 cm; rachis 4-5 cm, 7-9-flowered; floral bracts persistent at least at end of flowering, ovate, concave, 5-6 × 2.5-3 mm. Flowers fragrant, white, ca. 1.2 cm in diam.; pedicel and ovary 1-1.2 cm. Sepals ovate, cymbiform, 11-12 × ca. 5 mm, 5-veined, obtuse or mucronate, dorsally carinate. Petals ovate-elliptic, slightly shorter than sepals, obtuse; lip ca. 1 cm, contracted at middle to form epichile and hypochile; hypochile saccate, ca. 5 × 2.5 mm, with 2 longitudinal lamellae near base; epichile oblong, ca. 5 × 3 mm, mucronate, base with 3 thickened ridges ca. 1 mm. Column ca. 3 mm, winged on both sides; rostellum broadly ligulate, ca. 1 mm. Capsule obovoid, ca. 1.8 × 1 cm, 3-ridged, ridges narrowly winged; fruiting pedicel 5-10 mm. Fl. Jan.
● Lithophytic on humid rocks in evergreen broad-leaved forests along limestone valleys; 1000-1400 m. SE Yunnan.
Curiously, this species was omitted from de Vogel’s monograph of Pholidota (Orchid Monogr. 3. 1988). In FRPS 18 (394-397. 1999), this species was placed in the 2-leaved P. sect. Chinenses (H. G. Reichenbach) de Vogel).Curiously, this species was omitted from de Vogel’s monograph of Pholidota (Orchid Monogr. 3. 1988). In FRPS 18 (394-397. 1999), this species was placed in the 2-leaved P. sect. Chinenses (H. G. Reichenbach) de Vogel).
科名:兰科 Orchidaceae
属名:石仙桃属 Pholidota
《中国植物志》第18卷396页
9. 长足石仙桃(植物分类学报)
Pholidota longipes S. C. Chen et Z. H. Tsi in Acta Phytotax. Sin. 21 (3): 346. pl. 1 (4). 1983.
根状茎较粗壮,直径4-8毫米,被鳞片状鞘;假鳞茎较密集,圆柱状,向顶端渐狭,长4-11.5厘米,中部宽3-4毫米,顶端生2叶。叶狭椭圆状披针形,纸质,长8-16厘米,宽1. 5-3厘米,先端长渐尖,具多脉,基部渐狭为柄;叶柄长1-3厘米。花葶生于幼嫩假鳞茎顶端,发出时其基部连同幼叶均为鞘所包,长6-10厘米;总状花序长4-5厘米,具7-9朵花;花苞片卵形,凹陷,长5-6毫米,宽2.5-3毫米,宿存,至少在花期未脱落;花梗和子房长1-1.2厘米;花白色,芬香,直径约1.2厘米;萼片卵形,长1. 1-1.2厘米,宽约5毫米,先端钝或具短尖,凹陷成舟状,背面具龙骨状突起,具5脉;花瓣卵状椭圆形,略短于萼片,先端钝;唇瓣长约1厘米,中部缢缩而成前后唇;后唇凹陷成囊状,长约5毫米,宽约2.5毫米,近基部有2条纵褶片;前唇长圆形,长约5毫米,宽约3毫米,先端具短尖,基部有3条长约1毫米的粗脊;蕊柱宽阔,长约3毫米,两侧有翅;翅在上部宽达1毫米,在顶端围绕药床;蕊喙宽舌状,长约1毫米,宽约2毫米。蒴果倒卵形,长约1. 8厘米,宽约1厘米,具3棱,棱上有狭翅;果梗长5-10毫米。花期1月,果期不详。
产云南东南部(西畴、麻栗坡)。生于石灰岩沟谷阔叶林下阴湿岩石上,海拔1000-1400米。模式标本采自西畴。
形态特征:根状茎较粗壮,直径4—8毫米,被鳞片状鞘;假鳞茎较密集,圆柱状,向顶端渐 狭,长4—11.5厘米,中部宽3--4毫米,顶端生2叶。叶狭椭圆状披针形,纸质,长 8—16厘米,宽1.5—3厘米,先端长渐尖,具多脉,基部渐狭为柄;叶柄长1—3厘米。 花葶生于幼嫩假鳞茎顶端,发出时其基部连同幼叶均为鞘所包,长6—10厘米;总状花 序长4—5厘米,具7--9朵花;花苞片卵形,凹陷,长5--6毫米,宽2.5--3毫米,宿 存,至少在花期未脱落;花梗和子房长1—1,2厘米;花白色,芬香,直径约1.2厘米; 萼片卵形,长1.1—1.2厘米,宽约5毫米,先端钝或具短尖,凹陷成舟状,背面具龙 骨状突起,具5脉;花瓣卵状椭圆形,略短于萼片,先端钝;唇瓣长约l厘米,中部缢 缩而成前后唇;后唇凹陷成囊状,长约5毫米,宽约2.5毫米,近基部有2条纵褶片; 前唇长圆形,长约5毫米,宽约3毫米,先端具短尖,基部有3条长约1毫米的粗脊; 蕊柱宽阔,长约3毫米,两侧有翅;翅在上部宽达1毫米,在顶端围绕药床;蕊喙宽舌 状,长约1毫采,宽约2毫米。蒴果倒卵形,长约1.8厘米,宽约l厘米,具3棱,棱 上有狭翅;果梗长5—10毫米。 花期1月,果期不详。
产地分布:产云南东南部(西畴、麻栗坡)。生于石灰岩沟谷阔叶林下阴湿岩石上,海拔1000--1400米。模式标本采自西畴。
参考文献:Pholidota longipes S.C.Chen et Z.H.Tsi in Acta Phytotax.Sin,21(3):346. P1.1(4).1983.
《Flora of China》 Vol. 25 (2009)
Pholidota longipes S. C. Chen & Z. H. Tsi Acta Phytotax. Sin. 21: 346. 1983.
长足石仙桃 chang zu shi xian tao
Rhizome 4-8 mm in diam., stout, with scaly sheaths. Pseudobulbs rather dense, cylindric, 4-11.5 cm × 3-4 mm, attenuate toward apex, apex 2-leaved. Leaf blade narrowly elliptic-lanceolate, 8-16 × 1.5-3 cm, papery, with many veins, long acuminate; petiole 1-3 cm. Inflorescence arising with young pseudobulb and young leaves from base of last pseudobulb, 6-10 cm; rachis 4-5 cm, 7-9-flowered; floral bracts persistent at least at end of flowering, ovate, concave, 5-6 × 2.5-3 mm. Flowers fragrant, white, ca. 1.2 cm in diam.; pedicel and ovary 1-1.2 cm. Sepals ovate, cymbiform, 11-12 × ca. 5 mm, 5-veined, obtuse or mucronate, dorsally carinate. Petals ovate-elliptic, slightly shorter than sepals, obtuse; lip ca. 1 cm, contracted at middle to form epichile and hypochile; hypochile saccate, ca. 5 × 2.5 mm, with 2 longitudinal lamellae near base; epichile oblong, ca. 5 × 3 mm, mucronate, base with 3 thickened ridges ca. 1 mm. Column ca. 3 mm, winged on both sides; rostellum broadly ligulate, ca. 1 mm. Capsule obovoid, ca. 1.8 × 1 cm, 3-ridged, ridges narrowly winged; fruiting pedicel 5-10 mm. Fl. Jan.
● Lithophytic on humid rocks in evergreen broad-leaved forests along limestone valleys; 1000-1400 m. SE Yunnan.
Curiously, this species was omitted from de Vogel’s monograph of Pholidota (Orchid Monogr. 3. 1988). In FRPS 18 (394-397. 1999), this species was placed in the 2-leaved P. sect. Chinenses (H. G. Reichenbach) de Vogel).Curiously, this species was omitted from de Vogel’s monograph of Pholidota (Orchid Monogr. 3. 1988). In FRPS 18 (394-397. 1999), this species was placed in the 2-leaved P. sect. Chinenses (H. G. Reichenbach) de Vogel).