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- Sepals connate only at base. 萼片合生的只在基部。
- Sepals 3, free or connate only at base, often boat-shaped or carinate, sometimes galeate at apex. 萼片3，离生或者只在基部合生，通常船形或者具龙骨状隆起，有时顶端盔状。
- Styles 5; stigmas terminal, depressed capitate or terete; calyx limb scarious, inflated or expanded; corolla with petals connate only at base. 花柱5；柱头顶生，下凹的或圆柱状；萼檐干膜质，膨大的或膨大；花冠具花瓣合生的只在基部。(4
- Sepals connate at base into tube, persistent but inconspicuous. 萼片在基部合生成筒部，宿存但是不明显。
- Sepals connate at base, lanceolate, 5--6 mm, abaxially lanate. 萼片在基部合生，披针形，5-6毫米，背面具绵状毛。
- Corolla hypogynous, petals connate but sometimes only at base, lobes or segments 5 and twisted. 花冠下位，花瓣的，有时只在基部合生，裂片或者裂瓣5，扭曲。
- Female flower: ovary glabrous or loosely pilose only at base. 雌花松弛的子房无毛的或具柔毛的只在基部。
- Scape 20--30 cm, terete, smooth, covered with leaf sheaths only at base. 花葶20-30厘米，圆柱状，光滑，被叶鞘覆盖只在基部。
- Scape 13--30 cm, terete, 2-angled, covered with leaf sheaths only at base. 花葶13-30厘米，圆柱状，2棱，被叶鞘覆盖只在基部。
- Sepals elliptic to suborbicular, ca. 5 mm, connate at base. 萼片椭圆形到近圆形，约5毫米，在基部合生。
- Scape 22--27 cm, 2-angled, scabrous-denticulate along angles, covered with leaf sheaths only at base. 花葶22-27厘米，2棱，粗糙具小齿沿着棱，被叶鞘覆盖只在基部。
- Branchlets and young leaves pilose. Bracts pilose only at base abaxially, ciliate. 小枝和幼叶具柔毛。苞片具柔毛的只在基部背面，具缘毛。
- Leaf blade lanceolate or long-elliptic; style glabrous or glandular only at base. 叶片披针形的或更长椭圆形；花柱无毛或具腺的只在基部。
- Scape 9--16 cm, slender, terete, finely angled, covered with leaf sheaths only at base. 花葶9-16厘米，细长，圆柱状，具细棱，被叶鞘覆盖只在基部。
- Bark gray or brown, shallowly flaky, not longitudinally fissured or only at base. 树皮灰色的或棕色，浅片状，不纵向裂开的或只在基部裂开。
- Sepals not incrassate or only slightly so at base. 萼片并非增厚的或只稍如此在基部。
- Stems and petioles sparsely antrorse white pubescent, purplish only at base; leaves sparsely appressed puberulent, densely so on abaxial veins. 茎和叶柄疏生顺向的白色短柔毛，略带紫色的只在基部；留下疏生贴伏被微柔毛，浓密如此在背面的脉上。(4
- Sepals lanceolate or ovate-orbicular, sometimes shallowly boat-shaped, inner 2 often connate at base. 萼片披针形或卵形圆形，有时舟状，内部2通常在基部合生。
- I will be at liberty only at weekends. 我只有在周末才有空。
- Sepals free or connate at base, imbricate or quincuncial, basal glands 5 to many. 萼片离生或在基部合生，覆瓦状或，基部腺体5到很多。
