长瓣杓兰Cypripedium lentiginosum
分布： 云南东南部（麻栗坡）。 生境： 石灰岩山坡灌木林下、疏林下或腐殖质丰富的岩壁上； 海拔 1800—2100 m。 |
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植株高 7- 11cm , 具粗短的根状茎。茎直立，长 3-7 cm，包藏于 2 枚鞘中， 顶端具 2 枚近对生的叶。 |
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叶铺地而生，宽卵状椭圆形至近圆形，长13—25 cm,宽12-25 cm, 浅绿灰色，具黑褐色斑点，先端钝。 |
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花序顶生，长 4—7 c m, 具单花，无苞片；子房通常弯曲，长 1.6- 2.2 cm,无毛；中萼片与合萼片肝脏色泽， 有时呈浅绿色；花瓣和唇瓣近白色或浅黄色， 具栗色或有时为浅紫色或浅黑色斑点；退化雄蕊肝脏色泽或密生肝脏色泽斑点；中萼片椭圆状卵形，长6 - 7.8 cm, 宽 2.5—4.2c m, 先端渐尖，近无毛；合萼片狭椭圆形，长 5- 6.5 cm, 宽 1- 1.8 cm, 先端急尖；花瓣弯向前方，围抱唇瓣，稍斜歪，近矩圆形至矩圆状披针形，长7- 9 cm ,宽 2—3 c m，凹陷，背面上侧被微柔毛，边缘具缘毛，先端渐尖；唇瓣囊状，近椭圆形，腹背压扁，长 3-3.5 cm ,宽 2.5—3cm,前方表面有细乳突；退化雄蕊卵状矩圆形，长1—1.5 cm,上面先端具乳突，基部有耳而无柄。
花期： 5—6 月。 |
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Plants 7-11 cm tall, with a stout, short rhizome. Stem erect, 3—7 cm lon g, covered by 2 sheaths, with 2 subopposite leaves at apex. Leaves prostrate on substrate, broadly ovate elliptic to suborbic ular, 13—25 cm long, 12- 25 cm wide , pale green-grey spotted with blackish brown, apex obtuse. Inflorescence terminal, 4—7 cm long, I-flowered , ebracteate; ovary usually curved, 1.6—2. 2 cm long, glabrous ; dorsal sepal and synsepal liver-colored or sometimes greenis h; petals and lip whitish to yellowish, marked with maroon or sometimes pale purple or blackish spots; staminode liver-colored or densely marked with liver colored spots; dorsal sepal elliptic-ovate , 6—7 . 8 cm lo ng, 2.5--4．2 cm wide, apex acuminate, subglabrous; synsepal narrowly elliptic , 5—6.5 cm long, 1- 1.8 cm wide, apex acute; petalscurved forward, enfolding lip, slightly oblique, suboblong to oblong-lanceo late, 7—9 c m long, 2- 3 cm wide, concave, abaxially pubescent on upper side, ciliate, apex acuminate; lip pouched , subellipsoid , dorsiventrally flattened, 3—3 . 5 c m long , 2.5—3 cm wide, minutely papillate on front surface; staminode ovate-oblong, 1- 1.5 cm lo ng, papillose toward adaxia l apex, auriculate and sessile at base.
Flowering period: May and June.
Distribution: SE Yunnan (Malipo).