Control of globose spider beetle in floor board 木地板中裸蛛甲的防制研究
2.
Capsule globose , 6 cm in diam . , wrapped with persistent calyx , dehiscent in 5 valves 蒴果球形，直径6厘米，有宿萼包裹， 5爿裂开。
3.
Plant monoecious : staminate flowers on obovoid or club - shaped stiff spikes , 1 . 5 - 2 cm long ; pistilate flowers in a dense globose head 雌雄同株：雄花序倒卵形或棒状，长1 . 5 - 2厘米；雌花序圆头状。
4.
These specimens of ruppia are characterized by possessing a small oval endocarp , smooth endocarp surface , distinct narrowly elliptic external depressions , distinct apical mucro , slightly curved seed shape and conspicuous globose hilum . a new species , r . yushensis sp . nov 该新种的主要特征为内果皮卵形、表面光滑、侧面具两个显著的窄椭圆形凹陷、顶端具一个明显的小尖突，以及种子顶端具显著的球形膨大的种脐。
5.
They are globose , subglobose , oblate and prolate in shape . the germination apertures are absent , or present and are irregularly poroid , 3 - colpate , 4 - colpate , 3 - 4 - colpate , pantocolpate and 3 - colporate . the exine ornamentation is spinulose , tuberculate , variously striate , striate - foveolate , striate - reticulate , rugose - sinuate , minutely reticulate and reticulate 条纹网状、皱波状、细网状和网状c沟膜近光滑、具小颗粒、具小刺状突起或具瘤状突起。
6.
Calyx tube constricted at apex ; petals 5 , white , with pellucid dots , pubescent ; fertile stamens 5 ; filaments longer than petals , anthers 1 . 5 - 2 . 5 mm long , pubescent ; staminodes 15 , 10 of them gland - like , ovoid , inserted on the base of filaments , rest 5 globose ; style villous ; stigma dilated into an undulate crest 花萼管顶端稍缢缩；花瓣5 ，白色，有透明腺点，被短柔毛；发育雄蕊5枚，花丝长于花瓣，花约1 . 5 - 2 . 5毫米，被短柔毛；退化雄蕊15枚，其中10枚腺体状，卵球形，著生于发育雄蕊花丝基部，另5枚球形；花柱被柔毛，柱头鸡冠状。
