卵质收回时,在卵表面卵柄处可见明显的树枝状结构。
The evident arborization structure was observed at the egg handle on egg surface when the egg protoplasm drew back.
黏液腺在胚胎附着过程中形成卵柄和外层卵膜,胚胎是依靠卵柄或卵索附着于腹肢的刚毛上,进而完成胚胎发育过程。
Embryo attachment was affected by the differentiation of egg membrane. Egg stalk and outer egg membrane were formed from mucus during development.
孢子体:为苔藓和地钱的孢子体世代具有。由受精卵发育而来,包括基足、柄和孢蒴。孢子体是寄生在配子体上的。
Sporogonium the sporophyte generation in mosses and liverworts. it develops from the zygote and comprises the foot, seta, and capsule. the sporogonium is parasitic on the gametophyte generation.
由受精卵发育而来,包括基足、柄和孢蒴。
It develops from the zygote and comprises the foot, seta, and capsule.
叶1片顶生于卵球形假鳞茎上,狭长圆形,长10-14厘米,宽1.8-2.3厘米,先端微凹,基部收窄成长约1.5厘米的柄。
Pseudobulbs ovate, 1-leaved at apex. Leaves narrowly oblong, 10-14 cm long and 1.8-2.3 cm wide, apex emarginate, base attenuate;
叶1片顶生于卵球形假鳞茎上,狭长圆形,长10-14厘米,宽1.8-2.3厘米,先端微凹,基部收窄成长约1.5厘米的柄。
Pseudobulbs ovate, 1-leaved at apex. Leaves narrowly oblong, 10-14 cm long and 1.8-2.3 cm wide, apex emarginate, base attenuate;
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