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| 資料編號: | HK-5146 |
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| 中文名稱: | 三裂葉半夏 |
| 學名: | Pinellia tripartita [找同屬植物] |
| 植物科名: (APG新系統) | ARACEAE天南星科 [找同科植物] |
| 標室舊系統 | ARACEAE天南星科[找同科] |
| 生長習性: | 草本 |
| 原生/外來: | 香港原生植物 |
| 資料更新: | 20220721 05:37:04 pm |
| 備註: FOC: Tuber subglobose, ca. 2.5 cm in diam.; cataphylls lanceolate, to 10 cm. Leaves 2-5; petiole green, 30-35 cm; leaf blade green, 3-partite; leaflets broadly ovate to ovate-oblong; anterior leaflet ca. 15 × 4-7 cm, apex ca. 1.5 cm; lateral leaflets smaller; primary lateral veins 8-12 per side on each leaflet, forming a distinct marginal collective vein, also with 2 thinner collective veins along margin. Inflorescence solitary; peduncle to 25 cm, shorter than petioles, slender. Spathe whitish to light green, slightly constricted, 7-9(-10) cm; tube almost closed within by a transverse septum, gaping at base, oblong to subcylindric, ca. 3.5 × 1-1.25 cm; limb gaping, boat-shaped, oblong, ca. 4 × 2.5 cm. Spadix 20-25 cm; female zone ca. 3 cm, adnate to spathe; female flowers densely arranged; pistil 1-1.2 mm; ovary ovoid, 0.9-1 mm; style distinct, 0.2-0.3 mm, attenuate; stigma subhemispheric; sterile zone between female and male zone 0.6-0.7 cm; male zone 1.8-2 cm; thecae elongate, opening by a slit; appendix long exserted from spathe, sigmoid, 15-20 cm, base ca. 3 mm in diam., smooth. Berries pale green to whitish, ovoid, 1-seeded. Fl. May-Jul, fr. Jun-Sep. 2n = 26, 52. Dense broad-leaved forests, forest margins, roadsides. Hong Kong [Japan]. Pinellia tripartita was considered endemic[地方性的] to Japan for a long time; it is first reported here from Hong Kong (C. Wright 508, P). This species differs from Pinellia yaoluopingensis in having broadly ovate or ovate-oblong, sessile leaflets and a tuber lacking tubercles. It is also easily distinguishable from P. ternata by its petioles lacking bulbils. This species is used ornamentally[此本種用於園藝]. FoHK: Perennial herb, tuber subglobose, ca. 2.5 cm in diam. Leaves 2–5; petiole green, 30–35 cm; leaf blade green, 3-partite; leaflets broadly ovate to ovate-oblong; anterior leaflet ca. 15 × 4–7 cm, apex ca. 1.5 cm; lateral leaflets smaller; primary lateral veins 8–12 per side on each leaflet, forming a distinct marginal collective vein, also with 2 thinner collective veins along margin. Inflorescence solitary; peduncle to 25 cm, shorter than petioles, slender. Spathe whitish to light green, slightly constricted, 7–9(–10) cm; tube oblong to subcylindrical, ca. 3.5 × 1–1.25 cm; limb boat-shaped, oblong, ca. 4 × 2.5 cm. Spadix 20–25 cm; female portion ca. 3 cm, adnate to spathe; female flowers densely arranged; pistil 1–1.2 mm; ovary ovoid, 0.9–1 mm; style distinct, 0.2–0.3 mm, attenuate; stigma subhemispheric; sterile portion between female and male portion 0.6–0.7 cm; male portion 1.8–2 cm; thecae elongate, opening by a slit; appendage long exserted from spathe, sigmoid, 15–20 cm, base ca. 3 mm in diam., smooth. Berries 1-seeded, pale green to whitish, ovoid. | |
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