圆叶匙唇兰Schoenorchis tixieri

中文名(Chinese Name):圆叶匙唇兰
学名(Scientific Name):Schoenorchis tixieri (Guillaum.) Seidenf.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科Orchidaceae 匙唇兰属Schoenorchis
形态特征(Description):植株矮小,高1-3厘米。茎很短,不明显,密被覆瓦状叶鞘所包。叶质地厚,表面黑绿色,具皱纹,扁平,长圆形或椭圆形,长1-2厘米,宽6-9毫米,先端钝并且不等侧2裂,基部具彼此套迭的鞘。总状花序从叶腋中发出,约等长于叶,下垂,密集许多小花;花序轴肉质,具肋棱;花苞片黄绿色,披针形,长1.5-2.5毫米,向先端急尖;花梗和子房紫褐色,长4-5毫米,子房较粗,弧曲;花稍肉质,不甚伸展,萼片洋红色;中萼片卵形,长2.5毫米,宽1.5毫米,先端钝;侧萼片斜倒卵形,长、宽均为2.5毫米,先端钝,背面中肋多少龙骨状隆起;花瓣中部以下白色,上部洋红色,卵形,长2毫米,宽1.2毫米,先端钝;唇瓣3裂,分前后两部分;后部为侧裂片,直立,较大,半圆形,长2毫米,宽2毫米,与中裂片连接处具1个近球形的胼胝体;前部为中裂片,厚肉质,翘起,长约2毫米,上面中央隆起呈圆锥形,基部具可动的关节;距囊状,长约3毫米,基部上方弯曲,末端指向前;蕊柱黄色,粗短,长约1毫米;蕊喙很小,尖齿状,长约0.4毫米;药帽黄色,前端伸长并且翘起,先端近截形带3个尖齿;粘盘柄扁平,着生于粘盘中部,长约1毫米,宽0.3毫米;粘盘鳞片状,长2毫米,宽0.5毫米,两端锐尖。
分布(Distribution):产云南南部(景洪)。生于海拔980米的山地林缘树干上。分布于越南
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 452
Schoenorchis tixieri (Guillaumin) Seidenfaden, Contr. Revis. Orchid Fl. Cambodia, Laos & Vietnam. 102. 1975.
圆叶匙唇兰 yuan ye chi chun lan | Orchidaceae  | Schoenorchis
Saccolabium tixieri Guillaumin, Bull. Mus. Natl. Hist. Nat., sér. 2, 30: 462. 1958.
Plants 1-3 cm tall. Stem very short, inconspicuous, enclosed in leaf sheaths. Leaves nearly basal, many; leaf blade dark green, oblong or elliptic, flat, 1-2 × 0.6-0.9 cm, thickly textured, wrinkled, obtuse and unequally bilobed. Inflorescences pendulous, racemose, 1-2 cm, densely many flowered; rachis fleshy, ribbed; floral bracts yellowish green, lanceolate, 1.5-2.5 mm, acute. Flowers not opening widely, deep red, slightly fleshy; petals tinged white, lip tinged yellow, column and anther cap yellow; pedicel and ovary purplish brown, 4-5 mm. Dorsal sepal ovate, ca. 2.5 × 1.5 mm, obtuse; lateral sepals obliquely obovate, ca. 2.5 × 2.5 mm, dorsally ± carinate, apex obtuse. Petals ovate, ca. 2 × 1.2 mm, obtuse; lip 3-lobed; lateral lobes erect, suborbicular, ca. 2 × 2 mm; mid-lobe ca. 2 mm, thickly fleshy, adaxially convex-thickened and broadly conic centrally; spur ca. 3 mm, slightly constricted at base, obtuse; disk with a subglobose callus near base of mid-lobe. Column ca. 1 mm, stout; rostellum ca. 0.4 mm; anther cap apex with 3 sharp teeth; stipe flat, ca. 1 × 0.3 mm; viscidium scalelike, ca. 2 × 0.5 mm. Fl. May.
Epiphytic on tree trunks at forest margins; 900-1400 m. S Yunnan [Vietnam].
圆叶匙唇兰Schoenorchis tixieri

圆叶匙唇兰Schoenorchis tixieri(责任编辑:徐晔春)

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