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This genus is closely related to Berchemia but differs in having sepals with beaklike protrusions at the keeled adaxial midvein; disk pentagonous, not persisting in fruit; drupe 1-loculed, 1-seeded; and leaves often asymmetrical.
这属与Berchemia密切相关,但是不同处为,萼片在龙骨状正面中脉有具喙状突起的;花盘五角形,不宿存在果;核果1室,1种子;并且留下通常不对称。
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Scape usually longer than leaves, with 2-3 flowers each with 1bract, floral bract hooded, broad-ovate, as long as ovary, blunt and usually 3-lobed at apex; flower green-yellow, dorsal sepal white with yellow-green veins and green base, elliptic, 4-4.5cm long, short-pointed at apex, keeled on back, pubescent at base inside, petals very long, pendulous, twist, linear, 8.5-12cm long,6mm wide in middle; lip reversed helmet-shaped, longer than dorsal sepal, with claw almost as long as hood, side lobes inflexed, auricles large and nearly broad-triangular; staminode obcordate; stamens with thick and short filaments; ovary rostrate, 5.5cm long, glabrous.
花茎常长于叶,具2~3朵花,每花具一枚苞片,花苞片兜状,宽卵形,和子房等长,顶端钝而常3浅裂;花绿黄色,重萼片白色而有黄绿色的脉和绿色的基部,椭圆形,长4~5.5cm ,短尖,背面具龙骨状突起,基部内侧被短柔毛;花瓣极长,悬垂,扭曲,条形,长8.2~12cm ,中部宽约6mm ;唇瓣倒盔状较中萼片长,具爪,爪几乎和兜等长,具内折侧裂片,耳大而近阔三角形;退化雄蕊倒心形,上面基部具一个角状突起;雄蕊具短粗的花丝;子房具喙,长约5.5cm ,无毛。
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Psyllidae:木虱科
木虱科(Psyllidae)同翅目的1科. 本科昆虫通称木虱. 体小型,活泼,能跳. 头短阔. 有复眼,单眼3个. 触角细长,10节. 喙3节. 前胸小,中胸背板大. 前翅有1条3分枝的脉纹,每支再分叉. 后足基节腹面有1疣状突起;胫节有端刺;跗节2节;有中垫.
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rostrate:有喙的
rostral 有嘴的 | rostrate 有喙的 | rostrated 有嘴状突起的
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rostrate:有喙状突起的
有喙目Rhynchota | 有喙状突起的rostrate | 有喙状装饰的rostraterostrated
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rostrated:有嘴状突起的
rostrate 有喙的 | rostrated 有嘴状突起的 | rostriform 喙形的
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rostriform:喙形的
rostrated 有嘴状突起的 | rostriform 喙形的 | rostrum 讲坛