八蕊花檢視原始碼討論檢視歷史
| 八蕊花 |
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中文學名:八蕊花 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:薔薇亞綱 目:桃金娘目 科:野牡丹科 亞 科:野牡丹亞科 族:蜂鬥草族 屬:八蕊花屬 種:八蕊花 分布區域:產雲南西部 |
八蕊花形態特徵
灌木，高1-1.2米；莖鈍四棱形，上部分枝，幼時被極細的微柔毛，以後無毛。
葉片堅紙質，圓形、近圓形或略倒卵狀圓形，頂端急尖，基部鈍或廣楔形，長9.5-13.5厘米，寬7.5-12厘米，邊緣具不明顯的密細鋸齒，齒尖具短刺毛，5 (-7)基出脈，兩面被細微的糠秕，葉面基出脈下凹，側脈隆起，背面基出脈、側脈隆起，明顯；葉柄長3.5-8厘米，具槽，近無毛。
傘形花序，腋生，總梗極短或幾無，花梗長約1厘米，多少被微柔毛；花萼鍾狀漏斗形，長約6毫米，多少被微柔毛，具鈍四棱，裂片廣卵形或三角狀卵形，頂端急尖或近漸尖，長約2毫米，裡面具小突起；花瓣粉紅色，廣卵形，1側偏斜，頂端漸尖，長約9毫米，具小突起；雄蕊近等長，花絲長約8毫米，花葯長7毫米，基部具小疣，藥隔基部下延呈短距，距長約1毫米；子房壇形，頂端具4鈍齒，齒具緣毛。
Sporoxeia sciadophila W. W. Smith in Not. Bot. Gard. Edinb. 10: 70. 1917; Diels in Engl. Bot. Jahrb. 65: 104. 1932; Merr. in Brittonia 4: 127. 1941; 雲南植物志2: 109. 圖版27, 16-17. 1979.
Shrubs 1-1.2 m tall. Stems obtusely 4-sided, densely puberulous when young, glabrescent. Petiole 3.5-8 cm, when young setose or puberulous, glabrescent; leaf blade orbicular, suborbicular, or subobovate-orbicular, 9.5-15 × 7.5-12 cm, stiffly papery, both surfaces furfuraceous or abaxially setose on veins otherwise densely glandular squamose, adaxially setose or strigose on veins otherwise puberulous, secondary veins 2(or 3) on each side of midvein, base obtuse, broadly cuneate, or subcordate, margin inconspicuous densely denticulate with short to long setose-tipped teeth, apex acute. Inflorescences in axils of leaves or at petiole scars on older branches, umbellate; bracts subulate, small, caducous. Pedicel 0.5-1 cm, ± puberulous. Hypanthium campanulate-funnelform, ca. 6 mm, obtusely 4-sided, ± puberulous. Calyx lobes broadly ovate to triangular-ovate, 2-3 mm, inside puberulous, apex acute to nearly acuminate. Petals pink, broadly ovate, 7-9 × ca. 6 mm, oblique, apex acuminate. Stamens equal; filaments 4-8 mm; anthers lanceolate, 5-7 mm, 2-tuberculate at base; connective inflated, extended, forming a spur ca. 1 mm. Ovary urceolate, ciliate, apex obtuse 4-denticulate. Capsule subglobular, ca. 5 mm in diam., obtusely 4-sided; hypanthium subglobular, 8-ribbed. Fl. Jul-Aug, fr. Oct-Dec.
Broad-leaved evergreen forests, stony mountain slopes; moist places; 1400-2800 m. Yunnan [Myanmar].
蒴果近球形，具鈍四棱，直徑約5毫米，與宿存萼同形；宿存萼粗糙，具隆起的8脈。
花期7-8月，果期5-6月。
八蕊花生長環境
生於海拔1400-2500米的石灰岩山坡常綠闊葉林下。