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資料編號: | HK-4039 |
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中文名稱: | 穿心藤 |
學名: | Amydrium hainanense [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: | 附生藤本 |
圖片花色: | green |
特別特徵: | 香港17種植物新記錄 |
資料更新: | 20220721 05:28:28 pm |
備註: 嘉道理農場暨植物園植物學家確認,在香港記錄新分佈的14品種 香港17種植物新記錄 1a. Leaf blade entire, unlobed; spadix obovoid, ca. 4 cm, distal part ca. 17 mm in diam.; stigma rounded -- 雷公連 A. sinense 1b. Leaf blade with oblong perforations(葉片有長圓形穿孔); spadix cylindric, ca. 6 × 1.3 cm; stigma oblong 穿心藤 A. hainanense Ref.link FOC: Lianas, creeping against trees and over rocks by aid of adhesive roots.[藤本植物, 利用根黏附於樹或石上] Stem cylindric, 3-4 mm in diam.; internodes 2-3 cm. Petiole 20-30 cm, on juvenile branch only 4-5 cm; sheath reaching base of leaf blade, base amplexicaul, marcescent; leaf blade green, after drying dark brown, ovate-lanceolate or falcate-lanceolate, 13-15 cm on juvenile branch, on mature branch blade large, 28-35 × 9-12 cm, papery, base rounded or subcordate, margin entire, apex abruptly acuminate; lateral veins 5-7 pairs, ascending and arched, each side along midrib with some large and some small perforations; perforations ovate or oblong, 4-6 × 1.5-4 cm, sometimes reaching margin and midrib of leaf blade. Inflorescence solitary; peduncle dark brown when dry, cylindric, 8-10 cm. Spathe yellow-red, broadly cymbiform, 8-5 × 8-9 cm, apex shortly rostrate. Stipe of spadix 8-10 mm; spadix cylindric, ca. 6 × 1.3 cm. Stamens 6, shorter than ovary during female anthesis but filaments extending at male anthesis to bring thecae above pistils; filaments flat; anthers longitudinally dehiscent. Ovary hexagonal-cylindric, ca. 3 × 2.5 mm, apex truncate; stigma sessile, longitudinally oblong, 1-loculed, 2-ovuled; ovules anatropous with short funicle, inserted on lower part of placenta. Fl. Apr (Hainan), Oct (Guangxi). Dense forests in valleys or by watersides, creeping against trees or over rocks; below 300 m. | |
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8-4039h | |
7-4039g | |
6-4039f | |
5-4039e | |
4-4039d | |
3-4039c | |
2-4039b | |
1-4039a | |