肉莖遠志檢視原始碼討論檢視歷史
肉莖遠志 |
肉莖遠志,拉丁文名為【Polygala carnosicaulis】,名稱狀態為【被SP2000收錄,狀態為:Polygala carnosicaulis為接受名】,國內分布區域為【雲南全球觀測記錄分布(數據來自GBIF)】
基本信息
拉丁文名: Polygala carnosicaulis
名稱狀態: 被SP2000收錄,狀態為:Polygala carnosicaulis為接受名
正文
名稱狀態:被SP2000收錄,狀態為:Polygala carnosicaulis為接受名中文名:肉莖遠志形態描述:24. Polygala carnosicaulis W. H. Chen & Y. M. Shui, Acta Bot. Yunnan. 24 428. 2002. 肉莖遠志 rou jing yuan zhi Herbs annual, 10-30 cm tall. Roots fibrous. Stems red, 4-6 mm in diam., fleshy, glabrous, branched. Petiole red, 0.8-1.8 cm; leaf blade abaxially greenish, adaxially green, ovate, 2.3-5.5 × 1.1-2.3 cm, papery, midvein raised abaxially, impressed adaxially, lateral veins 5 or 6 pairs, raised abaxially, anastomosing near margin, base cuneate, margin entire, apex acuminate. Racemes terminal, 2-2.6 cm, to 7-13 cm at fruiting. Pedicel 1.2-1.5 cm, angular, glabrous; bracts caducous, ovate, ca. 0.9 × 0.3 mm. Flowers yellow, small. Sepals 5, unequal, broadly ovate; outer sepals 3, ca. 1.2 × 1.1 mm; inner sepals 2, petaloid, ca. 3.5 × 2.5 mm, base unguiculate, apex obtuse. Petals 3, connate in lower 1/2, yellow; lateral petals oblong, 2-2.2 × 1.1-1.3 mm, apex slightly obtuse; keel 2.3-2.5 × 1.4-1.5 mm, near apex with 2 red orbicular entire appendages. Stamens 8; filaments ca. 3.5 mm, lower 2/3 united, forming an open staminal sheath; anthers yellow, ovoid, ca. 0.3 mm. Ovary obovoid, ca. 1 mm in diam.; style trumpet-shaped, gradually broadened from base toward apex, apex slightly curved, pincerlike; stigma on lower lobes. Capsules subglobose, 3.5-4 mm in diam., winged, apex retuse or obtuse, wing 0.5-0.8 mm. Seeds black, shiny, ellipsoidal, 1.2-1.4 mm, 0.8-0.9 mm in diam., punctate, base setiferous, with 2-lobed strophiole. Fl. Aug-Sep, fr. Sep-Oct.Shrub forests on rocky hills; 2000-2100 m. SE Yunnan (Hekou).One of us (Parnell) prefers to treat this as a variety of Polygala isocarpa, differing in its punctate seeds and fleshy stems; however, two of us (Chen and Ma) recognize it as a good species because of its distinct stem and larger seeds. From Flora of China FOC Vol. 11 Page 143, 151國內分布:雲南全球觀測記錄分布(數據來自GBIF)
形態特徵
一年生草本,高10-30厘米。根纖維狀。莖紅色,直徑4-6毫米,肉質,無毛,分枝。葉柄紅色,0.8-1.8厘米;葉片背面帶綠色,正面綠色,卵形,2.3-5.5*1.1-2.3厘米,紙質,背面中脈突起,正面不明顯,側脈5或6對,背面突起,近邊緣網結,基部楔形,邊緣全緣,先端漸尖。總狀花序頂生,2-2.6厘米,果期達7-13厘米。花梗1.2-1.5厘米,具角,無毛;苞片早落,卵形,約0.9*0.3毫米。花黃色,小。萼片5,不等長,寬卵形;外部萼片3,約1.2毫米1.1毫米;內部萼片2,瓣狀,長約3.5毫米×2.5毫米,基部具爪,先端鈍。花瓣3,下部1/2合生,黃色;側花瓣長圓形,2-2.2毫米×1.1-1.3毫米,先端稍鈍;龍骨瓣2.3-2.5毫米×1.4-1.5毫米,近先端有2枚紅色圓形全緣的附屬物。雄蕊8;花絲長約3.5毫米,下部2/3合生,形成開放的雄蕊鞘;花葯黃,卵球形,長約0.3毫米。子房倒卵球形,直徑約1毫米;花柱喇叭狀,從基部向先端逐漸變寬,先端稍彎曲,鉗狀;柱頭生於下部裂片上。蒴果近球形,直徑3.5-4毫米,具翅,先端微凹或鈍,翅0.5-0.8毫米。種子黑色,發亮,橢圓體,1.2-1.4毫米,直徑0.8-0.9毫米,具點,基部具剛毛,帶有2裂的種阜。花期8月9月,果期9月10月。
分布範圍
於中國雲南東南部。生長在海拔2000-2100米的岩石小山上的灌木森林。 [1]