织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 兰科植物 >

长叶隔距兰Cleisostoma fuerstenbergianum

时间:2013-10-23 16:44来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):长叶隔距兰 学名( Scientific Name ): Cleisostoma fuerstenbergianum Kraenzl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Sarcanthus flagelliformis Rolfe ex Downie Saccola
中文名(Chinese Name):长叶隔距兰
学名(Scientific Name):Cleisostoma fuerstenbergianum Kraenzl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Sarcanthus flagelliformis Rolfe ex Downie  Saccolabium crucicallus Burkill  Sarcanthus crucicallus (Burkill) Seidenf. & Smitinand  Sarcanthus fuerstenbergianus (Kraenzl.) J.J.Sm.  Sarcanthus geoffrayi Guillaumin  Cleisostoma crucicallum (Burkill) Garay  Cleisostoma flagellare (Schltr.) Garay
科属(Family & Genus):兰科(Orchidaceae)隔距兰属
形态特征(Description):茎直立或弧形弯曲,细圆柱形,长达50余厘米,粗4-5毫米,分枝或不分枝,节间长3-4厘米,疏生多数偏向一侧的叶。叶肉质,细圆柱形,斜立或上部外弯呈弧形,长达25厘米,粗2-3毫米,先端稍钝,基部具关节和抱茎的长鞘。花序侧生,斜立,通常比叶短,不分枝或少有分枝的;花序柄长2-4厘米,粗2-3毫米,基部被2枚长约4毫米的膜质筒状鞘;花序轴长达20厘米,疏生许多花;花苞片小,膜质,狭卵状披针形,长2毫米,先端近渐尖;花梗和子房长约1厘米;萼片和花瓣反折,黄色带紫褐色条纹;中萼片卵状椭圆形,舟状,长4.5-5毫米,宽约2毫米,先端钝,具3条脉;侧萼片近长圆形,等长于中萼片而较宽,先端斜截形,基部贴生于蕊柱足,具3条脉;花瓣狭长圆形,比萼片短,宽1.5毫米,先端钝,具3条脉;唇瓣白色,3裂;侧裂片直立,三角形,上半部收狭呈镰刀状,先端内折,近蕊柱一侧边缘内折,其内折部分近长方形,紫色;中裂片近肉质,箭头状三角形,上面中央具1条纵向隆起的脊突;距近球形,粗2-3毫米,末端凹入,具发达的隔膜,内面背壁上方的胼胝体3裂,其侧裂片三角形,向先端急剧变狭,先端钝并且稍下弯,而中裂片约等长于侧裂片,上面中央稍凹下,基部密布乳突状毛;蕊柱长约3毫米,具长约2毫米的蕊柱足;蕊喙小,2裂,裂片近半圆形,几乎不伸出蕊柱翅之外;药帽前端伸长,先端截形;粘盘柄楔形,上半部两侧边缘外卷;粘盘近圆形,比粘盘柄宽,先端稍凹入。花期5-6月。
分布(Distribution):产贵州、云南,生于海拔690~2000米的山地常绿阔叶林中树干上。老挝、越南、柬埔寨、泰国也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 459, 462   
Cleisostoma fuerstenbergianum Kraenzlin, Repert. Spec. Nov. Regni Veg. 7: 39. 1909.
长叶隔距兰 chang ye ge ju lan| Orchidaceae  | Cleisostoma
Cleisostoma flagellare (Schlechter) Garay; C. flagelliforme (Rolfe ex Downie) Garay; Sarcanthus flagellaris Schlechter; S. flagelliformis Rolfe ex Downie; S. fuerstenbergianus (Kraenzlin) J. J. Smith.
Stems erect or arching, more than 50 cm, rather slender, 4-5 mm in diam., branched or unbranched, laxly many leaved, internodes 3-4 cm. Leaves secund, terete, ca. 25 cm × 2-3 mm, fleshy, obtuse. Inflorescence lateral, ascending, to 20-24 cm, usually shorter than leaves, unbranched or rarely branched, laxly many flowered; peduncle 2-4 cm; floral bracts narrowly ovate-lanceolate, ca. 2 mm, membranous. Flowers: sepals and petals yellow with purplish brown stripes, lip white, proximal margin of lateral lobes purple; pedicel and ovary ca. 1 cm. Dorsal sepal ovate-elliptic, cymbiform, 4.5-5 × ca. 2 mm, obtuse; lateral sepals suboblong, 4.5-5 × ca. 2.5 mm, base adnate to column foot. Petals narrowly oblong, ca. 4 × 1.5 mm, obtuse; lip lateral lobes erect, deltoid, falcate, incurved, proximal margin inflexed; mid-lobe sagittate-triangular, subfleshy, with an adaxial ridge; spur subglobose, concave, 2-3 mm in diam., interior septate, with a 3-lobed back wall callus; lateral lobules triangular, slightly recurved; mid-lobule nearly as long as lateral lobules, slightly concave at center, base densely papillate-hairy. Column ca. 3 mm; rostellum small; anther cap truncate; stipe ovate-lanceolate; viscidium suborbicular, wider than stipe. Fl. May-Jun. 2n = 38.
Epiphytic on tree trunks in broad-leaved evergreen forests; 700-2000 m. SW Guizhou, S and W Yunnan [Cambodia, Laos, Thailand, Vietnam].


(责任编辑:徐晔春)
织梦二维码生成器
顶一下
(1)
100%
踩一下
(0)
0%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片