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資料編號: | HK-2704 |
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中文名稱: | 琉球叉柱蘭 |
學名: | Cheirostylis liukiuensis [找同屬植物] |
植物科名: (APG新系統) | ORCHIDACEAE蘭科 [找同科植物] |
標室舊系統 | ORCHIDACEAE蘭科[找同科] |
生長習性: | 多年生草本_地生草本 |
原生/外來: | 香港原生植物 |
資料更新: | 20190217 10:34:39 pm |
備註: Photo ref: taibif.tw FOHK: Perennial herb, 5–9 cm tall; rhizome moniliform, 8–10 mm in diam., sometimes branching, fleshy; roots hair-like. Leaves 3–4, scattered along stem; leaf blades ovate to ovate-orbicular, 2–3 × 1–2 cm, base rounded or slightly cordate, apex acute, abaxially reddish purple, adaxially dark greyish green; petiole-like base and sheath 0.7–1 cm. Flowers white or greenish white, 5 or 7 in a terminal raceme. Peduncle hairy, initially ca. 5 cm, gradually elongate to 10 – 20 cm after anthesis; pedicels 2–3 mm; calyx tubular, pubescent, 4.5–5 mm including the 2.5 mm free portions; petals white[花瓣白色], 4.5 mm, oblong-oblanceolate; lip white, 6 mm, tripartite; column erect, 2.2–2.4 mm, with 2 arms at the apex; anther broadly ovoid; pollinia ca. 1.2 mm; ovary ellipsoidal, pubescent. 深圳植物誌: 地生草本。植株高5-10cm。根狀莖匍匐,肉質,具節,呈蓮藕狀,紫褐色。莖直立,肉質,帶褐色,無毛,具2-4枚葉。葉片卵形至心形,長1-3cm,寬0. 9-2cm,基部圓形或略成心形,先端急尖,無毛,下面帶紅色,上面呈有光澤的暗灰綠色;柄狀基部連鞘長0. 7-1cm。 總狀花序頂生,長4-8cm,直立,被毛;花序軸長0. 8-1. 5cm,其上有2-9朵花;花苞片卵形,內凹,長0. 7-1cm , 先端漸尖;花梗連子房長5-8mm;花多向一側開放,小;萼片白色略帶紅褐色,背面疏被毛,長4-5mm, 下部的2/3處合生成筒狀,萼筒展平時寬2. 1-3mm,上部1/3處3裂,裂片三角形; 花瓣白色,斜長圓形至倒披針形,長4-4. 5mm,寬0. 7-2mm,與中萼片緊貼,先端鈍;唇瓣呈T字形,長6-7mm,基部稍凹陷呈淺囊狀,囊內兩側各具1枚叉狀2裂的柱狀的胼胝體,中部收窄成爪,爪長2. 5-4mm,爪的先端突然擴大成2裂片,裂片近四方形,長2-2. 8mm,其前部邊緣具不規則的齒,上面有毛,在裂片基部具l對綠色或灰色的斑點;合蕊柱短,具2枚長臂狀附屬物,附屬物與蕊喙先端的2裂片等長且貼近;蕊喙直立,深2裂;子房圓柱狀紡錘形,疏被長柔毛。花期:花期:1-3月。 。 | |
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