滇南泉七檢視原始碼討論檢視歷史

滇南泉七

原圖鏈接 來自植物標本館

中文名:滇南泉七 拉丁學名:Steudnera henryana Engl. 界:植物界 門:被子植物門 Angiospermae 綱:單子葉植物綱 Monocotyledoneae 目:天南星目 Arales 科:天南星科 Araceae 族:芋族 Trib. Colocasieae 屬:泉七屬 Steudnera 分布區域:中國雲南

滇南泉七(quán yuán quán qī，學名：Steudnera henryana Engl.），為單子葉植物綱、天南星科、泉七屬下的一個植物種。多年生草本，產於滇南。

形態特徵

Herbs, evergreen, medium sized, to 45 cm. Stems short, densely covered with fibrous cataphyll remains.

原圖鏈接 來自植物標本館

Leaves few together at shoot tips; petiole mid-green, terete, 30-45 cm × 4-5 mm, sheath very short;

原圖鏈接 來自植物標本館

原圖鏈接 來自植物標本館

leaf blade slightly paler abaxially, mid-green adaxially, peltate, somewhat stiffly membranous, base sometimes somewhat truncate, apex acuminate.

Inflorescence solitary, rarely paired; peduncle pale green, terete, 8-15 cm.

Spathe golden yellow, inside with a red patch, ovate to ovate-lanceolate, 5-8 × ca. 4 cm, apex cuspidate-acuminate.

Spadix up to 2.3 cm; female zone cylindric, ca. 15 × 3 mm, dorsally adnate to spathe; pistil mid-green, depressed globose, ca. 2 mm in diam.;

style very short; stigma pale yellow, 2-lobed, exceeding style; staminodes 4 or 5 per pistil, white, shorter than pistil, stoutly spatulate and very shortly apiculate;

male zone ivory, bluntly cylindric, free; synandria 6- or 7-androus, ca. 2 × 3.5 mm. Infructescence and fruit unknown.

生境產地

Wet shaded areas in seasonal evergreen forests, habitually on limestone; 300-700 m. Yunnan [N Laos, N Vietnam].