TABLE 1 in Globba praetermissa (Zingiberaceae), a new species of G. sect. Globba from Yunnan, China

TABLE 1. Morphological comparison of Globba praetermissa, G. purpurascens and G. marantina. G. praetermissaG. purpurascensG. marantinaStem length60–90 cm30–40 cm30–60 cmColor of leaf sheathsgreen, lower ones somewhat purplepurplegreen, lower ones somewhat purpleLeaf petiolenearly absent at lower leaves, slightly elongated to 5 mm on upper leavesabsentca 6–10 mm long.Indumentum of abaxial surface of laminaepubescentpubescentpuberulentInflorescencelax, pendent, 5–12 cm long, peduncle 1–1.5 cm long beyond leaf sheathslax, pendent, 4–5 cm long, peduncle 3–4 mm long beyond leaf sheathsdense, erect, 6 cm long, peduncle is surrounded by bracts and leaf sheathsBractsreflexed, ovate, pale green, pubescent on both sides, densely ciliateheld at ca 90° to rachis, lanceolate, green with purple tinge, pubescent on both sides, densely ciliateenclosing the inflorescence, ovate, green, puberulent on both sides, sparsely ciliateCincinnistraight, rachilla up to 4 cm long, peduncle of cincinni 8–12 mmstraight, rachilla 1.5–2 cm long, peduncle of cincinni 6–7 mmarched, rachilla ca 2 cm long, peduncle of cincinni 4 mmBracteolesconduplicate alone their keels, forming an equitant structureconduplicate alone their keels, forming an equitant structurenot conduplicate, with the base clasping the above remaining part of cincinni and upper part leaning towards flowersSize of lowermost bractca 35 × 15 mm12–20 × 3–5 mm25–30 × 10–15 mmOvarypubescent, smoothpubescent, verrucosepubescent, later verrucoseLateral staminodes lengthnearly the same as lateral corolla lobenearly the same as lateral corolla lobeca 1/2 longer than lateral corolla lobeCalyxca 5 mm longca 3 mm longca 5 mm longPedicelfully enclosed by bracteolenot fully enclosed by bracteolefully enclosed by bracteoleAppendagessix, including a smaller appendage between the two larger appendages on each side, distal pairs being similar to proximal in sizefour, distal pairs being broader than proximal at basefour, distal pairs being broader than proximal at baseChromosome numbers2n=48 (Li & Chen 2008)2n=32 (Larsen 1972)2n=80 (Lim 1972b)表1 无叶舞花姜（Globba praetermissa）、紫舞花姜（G. purpurascens）与竹芋叶舞花姜（G. marantina）的形态学比较 | 性状 | G. praetermissa | G. purpurascens | G. marantina | | ---- | ---- | ---- | ---- | | 茎长 | 60–90 cm | 30–40 cm | 30–60 cm | | 叶鞘颜色 | 绿色，下部叶鞘略带紫色 | 紫色 | 绿色，下部叶鞘略带紫色 | | 叶柄 | 下部叶近无柄，上部叶叶柄伸长至5 mm | 无叶柄 | 长约6–10 mm | | 叶片背面毛被 | 被短柔毛 | 被短柔毛 | 被微柔毛 | | 花序 | 疏松下垂，长5–12 cm，总花梗伸出叶鞘1–1.5 cm | 疏松下垂，长4–5 cm，总花梗伸出叶鞘3–4 mm | 密集直立，长6 cm，总花梗被苞片和叶鞘包裹 | | 苞片 | 反折，卵形，淡绿色，两面被短柔毛，边缘密生缘毛 | 与花序轴呈约90°着生，披针形，绿色带紫色晕，两面被短柔毛，边缘密生缘毛 | 包裹花序，卵形，绿色，两面被微柔毛，边缘疏生缘毛 | | 蝎尾状聚伞花序 | 直立，小穗轴长可达4 cm，蝎尾聚伞花序总花梗长8–12 mm | 直立，小穗轴长1.5–2 cm，蝎尾聚伞花序总花梗长6–7 mm | 呈弓状弯曲，小穗轴长约2 cm，蝎尾聚伞花序总花梗长4 mm | | 小苞片 | 沿龙骨凸起对折，形成套叠结构 | 沿龙骨凸起对折，形成套叠结构 | 不对折，基部抱合蝎尾聚伞花序的剩余部分，上部朝向花朵 | | 最下部苞片尺寸 | 约35×15 mm | 12–20×3–5 mm | 25–30×10–15 mm | | 子房 | 被短柔毛，表面平滑 | 被短柔毛，表面具疣状凸起 | 被短柔毛，后期具疣状凸起 | | 侧生退化雄蕊长度 | 与侧生花冠裂片近等长 | 与侧生花冠裂片近等长 | 比侧生花冠裂片长约1/2 | | 花萼 | 长约5 mm | 长约3 mm | 长约5 mm | | 花梗 | 完全被小苞片包裹 | 未完全被小苞片包裹 | 完全被小苞片包裹 | | 附属物 | 6枚，每侧两枚大附属物间具1枚较小附属物，远端成对附属物与近端成对附属物大小相近 | 4枚，远端成对附属物基部较近端成对附属物更宽 | 4枚，远端成对附属物基部较近端成对附属物更宽 | | 染色体数目 | 2n=48 (Li & Chen 2008) | 2n=32 (Larsen 1972) | 2n=80 (Lim 1972b) |