贵州远志
作者: 张凯
(guì zhōu yuǎn zhì)

贵州远志 Polygala dunniana

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学名
Polygala dunniana
中文名
贵州远志
花期
7月 8月 9月
叶序
叶互生
花序
总状花序
侧脉
2-3对
花瓣
3
子房
阔长圆形
果实
不详
花期
7-9月

贵州远志是什么植物?

贵州远志是被子植物门远志科远志属的植物。

贵州远志,多年生草本或亚灌木,高5-10厘米;
茎、枝圆柱形,幼时被短柔毛,密具圆形突起的叶痕和皮孔。

单叶互生,叶片厚纸质(或微肉质),椭圆状倒卵形或匙形,长1-1.5厘米,宽5-8毫米,先端钝,具短尖头,基部下延,楔形,全缘,叶面绿色,近叶缘处密被白色短刚毛,背面淡绿色,稍粗糙,无毛,主脉上面微凹,背面隆起,侧脉2-3对,仅背面可见;
叶柄长6毫米,具翅。

总状花序顶生,少花;
花大,长18毫米,花梗长约6毫米,被短柔毛;
萼片5,外面3枚小,不等大,无毛,上面1枚兜状,长约6毫米,两侧者长圆形,长约4毫米,宽约2毫米,先端钝圆,基部偏斜,内萼片花瓣状,椭圆状长圆形,长约14毫米,宽约6毫米,先端圆形,基部具爪,3-5脉;
花瓣3,白色或淡绿白色,侧生花瓣长圆形,长约15毫米,2/3以下与龙骨瓣合生,龙骨瓣与侧瓣等长或稍长,顶端具4条指状鸡冠状附属物;
雄蕊8,花丝长约14毫米,3/4以下合生成鞘,并与花瓣贴生,花药卵形;
子房阔长圆形,径约1.5毫米,具翅,基部具短柄及环状花盘,花柱长13毫米,柱头2裂,裂片三角形,柱头生于下裂片内。

果实不详。

花期7-9月。

单叶互生 先端钝 具短尖头 基部下延 楔形 全缘 叶面绿色 背面淡绿色 稍粗糙 无毛 背面隆起 仅背面可见 具翅 少花 花大 被短柔毛 不等大 先端钝圆 基部偏斜 先端圆形 基部具爪 花药卵形 裂片三角形 果实不详
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The inflorescence is terminal, racemose, with few flowers. Flowers are large, 18 mm long, on pedicels about 6 mm long, covered in short soft hairs. The calyx has 5 unequal sepals, one of which is hood-shaped and about 6 mm long, while the other two are elongated oval, approximately 4 mm long. The inner sepals are petaloid, elliptic-oblong, about 14 mm long and 6 mm wide, with 3-5 veins. Petals are 3, white or pale green-white, with lateral petals oblong, about 15 mm long, fused with the keel petal for about 2/3 of its length, and ending in 4 finger-like appendages.

Polygala dunniana differs from P. saxicola and P. koi in having smaller, elliptic to obovate or spoon-shaped leaves (10-15 mm long, 5-8 mm wide) covered with white transparent short stiff hairs near the leaf margin. Its inflorescence is very short with few large flowers (18 mm long), white or pale green-white in color, with the keel petal having 4 finger-like appendages.

Details about the fruit are not specified in the text.

It is a perennial herb or subshrub, 5-10 cm tall, with cylindrical stems covered in short soft hairs and circular leaf scars and pores. Its leaves are alternate, thick and papery, elliptic to obovate or spoon-shaped, 1-1.5 cm long and 5-8 mm wide, with blunt tips and short pointed bases. The upper surface is slightly concave with raised veins, while the lower surface is rough and hairless, with 2-3 visible veins. Leaf margins are entire, green with dense white short stiff hairs near the edge.

It prefers mountain slopes under Pinus forests or open mountainous areas.

It is found in Guizhou and Yunnan provinces of China, growing on mountain slopes under Pinus forests or on open mountainsides, at around 1900 meters above sea level.

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贵州远志
作者: 张凯
贵州远志
作者: 阳亿
贵州远志
作者: 阳亿
贵州远志
作者: 阳亿

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