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資料編號: | HK-3478 |
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中文名稱: | 田菁 |
學名: | Sesbania cannabina [找同屬植物] |
異名: | Aeschynomene cannabina |
英文名稱: | Dhaincha |
植物科名: (APG新系統) | FABACEAE豆科 [找同科植物] |
標室舊系統 | FABACEAE蝶形花科[找同科] |
生長習性: | 草本 |
圖片花色: | yellow |
發現開花: | Nov |
特別特徵: | 一回羽狀複葉互生_小葉對_小葉近對 |
資料更新: | 20220928 11:35:56 pm |
備註: 小葉數去分種不準.特別在20多對嘅情況下,重疊空間太大。印度田菁的小葉數據印度跟新加坡資料都可達25-27對。同時另一方面,根據澳洲方面數據,田菁小葉數可低至12對。田菁和印度田菁形態學上分別根據統計分析結算,比較可靠是以花/旗瓣 大小作分別。 (thanks Crawford's info) 相中植物小葉多達40對,而沼生田菁與大花田菁小葉為10-30對,故不是相中植物。刺田菁與田菁小葉可達40對,但刺田菁枝常疏生小皮刺,而田菁郤平滑。thanks Young Chandd's info 種子有光澤 黑褐色 圓柱形 長3-4毫米 徑1.5-3毫米 FOC: Herbs, annual, 3-3.5 m tall. Stems green or sometimes brown, smooth, with inconspicuous light greenish stripes, slightly glaucous, basally with many adventitious roots; young branches sparsely appressed villous, glabrescent, with white mucilage when broken. Stipules lanceolate, caducous. Leaves 40-60(-80)-foliolate; rachis 15-25 cm, sparsely appressed villous when young, glabrescent, adaxially grooved; petiolules ca. 1 mm, with sparsely appressed trichomes; stipels subulate, subequal to petiolules or shorter, persistent; leaflet blades opposite or subopposite, linear-oblong, 8-20(-40) × 2.5-4(-7) mm, smaller at both ends of rachis than in middle, both surfaces with appressed purplish glands but abaxially denser, abaxially sparsely appressed villous when young but glabrescent, adaxially glabrous, both ends asymmetric, base rounded, apex blunt to truncate and mucronate. Racemes 3-10 cm, 2-6-flowered, lax; peduncle slender, pendulous, sparsely appressed villous; bract linear-lanceolate, caducous. Pedicel slender, pendulous, sparsely appressed villous; bracteoles 2, caducous. Calyx obliquely campanulate, 3-4 mm, glabrous; teeth triangular, with 1-3 appendages between each, inner margin white slender pilose, apex acute. Corolla yellow; standard lamina transversely ovate to suborbicular, 9-10 mm, with a ca. 2 mm claw, base subrounded and with a small pyriform callus, apex retuse to rounded; wings obovate-oblong, ± as long as standard, ca. 3.5 mm wide, with transverse corrugation, base shortly auriculate, middle with dark grayish brown spots; keel broadly triangular-ovate, shorter than wings, as long as wide, with a ca. 4.5 mm claw, apex obtuse. Anthers ovate to oblong. Pistil glabrous; stigma capitate. Legume long terete, slightly curved, 12-22 cm × 2.5-3.5 mm, dehiscent, outside with dark brown stripes, trabeculate between seeds, carpopodium ca. 5 mm, apex acute and with a 5-7(-10) mm beak. Seeds 20-35 per legume, greenish brown, terete, ca. 4 × 2-3 mm, glossy; hilum rounded, slightly oblique to one end. Fl. and fr. Jul-Dec. | |
如資料有任何錯誤,歡迎聯絡本會. info@hkcww.org | |
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