Complementary Description of a New Recorded Species and Two Endemic Species of Corydalis from Shaanxi

doi:10.7525/j.issn.1673-5102.2024.04.003

Abstract

Abstract:

A species named Corydalis bulbilligera C.Y.Wu of sect. Elatae Fedde，from Shaanxi Province is newly recorded. Complementary description on the morphology， especially fruit characteristics， of C. nanwutaishanensis Z.Y.Su & Lidén and C. virginea Lidén & Z.Y.Su， which were endemic to Shaanxi province， was provided. The morphological comparison of the above mentioned three species was made， and the key table of species classification of sect. Elatae in Shaanxi Province was also compiled.

Key words: Corydalis DC., new record, morphological characteristics, complementary description, Shaanxi

CLC Number:

Q948.2

Zhechao XU, Yong ZHANG, Weidong FAN, Ying YANG, Jialong LIU, Haofei ZHOU, Zhongyun ZHANG, Rui JI. Complementary Description of a New Recorded Species and Two Endemic Species of Corydalis from Shaanxi[J]. Bulletin of Botanical Research, 2024, 44(4): 502-509.

Figures/Tables 5

Fig.1

Fig.2

Fig.3

Fig.4

Table 1

Morphological comparison of the three species of sect. Elatae in Shaanxi

器官Organ	巫溪紫堇C. bulbilligera	南五台山紫堇C. nanwutaishanensis	腋含珠紫堇C. virginea
根茎Rhizome	根茎短，密集鳞茎状的叶柄基	根茎短，密集鳞茎状的叶柄基	根茎短，着生少量肉质鳞片
茎Stem	茎绿色或红色，具棱，在茎的1/3处以下裸露	茎绿色，在茎的1/2处以下裸露	茎绿色，在茎的1/2处以下裸露
基生叶 Radical leaf	花期常枯萎，叶二回羽状分裂，末回裂片宽，宽4~7 mm，边缘具钝齿；叶片长2.5~5.0 cm，宽3~6 cm，具长柄，柄长7~12 cm，叶柄基部肉质膨大	花期常枯萎，叶三回羽状分裂，末回裂片细裂，宽1~3 mm，叶片长3.5~9.0 cm，宽2.5~8.5 cm，具长柄，柄长6.5~16.0 cm，叶柄基部肉质膨大	未见
茎生叶 Cauline leaf	叶15~25片，叶片在茎下部者长2.5~4.5 cm，二回羽状分裂，上部者卵形，长0.2~0.5 cm，不规则的条裂	叶三角状披针形，2~4片，长3.5~11.0 cm，宽2~6 cm，二回羽状分裂，2~3对小叶	叶3~7片，长可达14 cm，宽可达8.5 cm，一至二回羽状分裂，2~3对小叶或小裂片。茎上部有或无延伸至苞片结构简单、锯齿状分裂的叶片
珠芽Bulbil	珠芽绿色，长约3 mm	珠芽暗红色，长2~6 mm	珠芽暗红色，长3~7 mm
花序 Inflorescence	花序长1~6 cm，3~15朵花	花序长3~9 cm，7~20朵花	花序长3~9 cm，4~30朵花
花Flower	花蓝色，外花瓣背部具矮鸡冠状突起或呈脊状而不明显，距约占上花瓣长的3/5，平展或有时上翘，下花瓣基部有或无突起状浅囊	花白色，外花瓣具短而宽展延伸至顶端的鸡冠状突起；距伸展或稍向下弯曲；蜜腺体长约为距的1/2，比1/2稍长	花蓝色，外花瓣具短而宽展延伸至顶端的鸡冠状突起；距伸展或稍向上弯曲；蜜腺体长约为距的3/5
花萼Sepal	鳞片状，三角形，苍白色，具缺刻，膜质，直径不足1 mm	萼片卵圆形，白色，长宽约4 mm×4 mm，边缘具撕裂状齿	萼片卵圆形，浅蓝色，长宽约4 mm×4 mm，边缘具撕裂状齿
花柄Pedicel	远长于苞片或近等长	短于苞片或近等长	短于苞片或近等长
蒴果Capsule	蒴果线形，长8~9 mm，宽约2 mm	蒴果宽卵形，长7~10 mm，宽3~4 mm	蒴果宽卵形，长约10 mm，宽约3 mm
种子Seed	种子单列排列，4~9粒	常具2列种子，少数为3列，5~12粒	常具2列种子，少数为1列，5~12粒

Table 1

References 15

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