|
|
資料編號: | HK-3988 |
---|---|
中文名稱: | 長葉馬兜鈴 |
學名: | Aristolochia championii [找同屬植物] |
異名: | Isotrema championii# |
英文名稱: | Long-leaved Brithwort |
植物科名: (APG新系統) | ARISTOLOCHIACEAE馬兜鈴科 [找同科植物] |
標室舊系統 | ARISTOLOCHIACEAE馬兜鈴科[找同科] |
生長習性: | 木質藤木 |
原生/外來: | 香港原生植物 |
圖片花色: | purple |
發現開花: | April |
特別特徵: | 香港稀有及珍貴植物 |
資料更新: | 20240512 01:01:47 pm |
備註: GBIF: Aristolochia championii is syn of Isotrema championii #Aristolochia championii becomes Isotrema championii Ref 1 Ref 2 FoHK Woody vine; tubers fusiform, 3–5 cm in diam. Stems terete, densely pubescent with rusty soft hairs. Petiole 1–2.5 cm, densely villous; leaf blade leathery, lanceolate or linear-lanceolate, 15–25 × 2.5–4.5 cm, base rounded or shallowly cordate, apex narrowly acuminate, entire, subglabrous adaxially, densely brown villous abaxially, veins pinnate, 5–10 pairs. Flowers solitary or in 2–5-flowered racemes. Pedicel 3–4 cm, pendulous, brown villous; bracts small, lanceolate. Perianth yellow, with reddish brown veins; tube geniculately curved, abaxially villous; limb discoid, 4–6 cm in diam., 3-lobed, adaxially papillate; lobes broadly rounded, slightly unequal. Anthers ellipsoid, ca. 3 mm. Gynostemium 3-lobed. Capsule ellipsoid, ca. 6 × 3 cm, dehiscing basipetally. Seeds ovoid, ca. 5 × 3 mm. 中國植物誌 木質藤木,長達10米;塊根紡錘形,直徑3-5厘米,外皮灰黃色,粗糙;嫩枝密被黃褐色倒伏長柔毛,後毛漸脫落,莖初近直立,以後攀援,下部常具不規則縱裂的木栓層。葉革質,披針形、橢圓狀披針形或線狀披針形,長15-30厘米,寬2-5厘米,頂端長漸尖,基部圓形或淺心形,邊全緣,上面除中脈和側脈被長柔毛外,其餘無毛,下面密被淺棕色倒伏長柔毛;基出脈3條,側脈每邊6-15條,彎拱向上至邊緣互相連接,網脈在下面凸起而明顯;葉柄長1-2.5厘米,彎扭,被長柔毛。花有腐肉臭味,單生或2-5朵排成總狀花序,生於老莖;花梗柔弱,長3-4厘米,常向下彎垂,密被黃褐色倒伏狀長柔毛,中部以下具小苞片;小苞片卵狀披針形,長約1厘米,密被長柔毛;花被管中部急遽彎曲,下部長5-7厘米,直徑1.5厘米,彎曲處至簷部稍狹而較短,外面黃綠色,被褐棕色長柔毛,有紅棕色脈紋,內面被細絨毛;簷部盤狀,圓形,直徑4-6厘米,內面紫紅色並有暗紫色的網紋,密布疣狀突起,邊緣稍淺3裂,裂片不等大,下面一片常稍大;喉部近半圓形,直徑約1.5厘米,黃色或暗紫色;花藥長圓形,成對貼生於合蕊柱近基部,並與其裂片對生,子房圓柱形,長約1.5厘米,6棱,密被棕色長柔毛;合蕊柱粗厚,裂片頂端鈍,邊緣具乳頭狀突起並向下延伸。蒴果橢圓狀,長6-8厘米,直徑約3厘米,灰黃色至暗褐色,成熟時6瓣開裂;種子卵形,長約5毫米,寬約3毫米,背面稍平凸狀,腹面凹入,暗褐色。花期6-7月,果期9-11月。 | |
如資料有任何錯誤,歡迎聯絡本會. info@hkcww.org | |
更多圖片(組員Facebook群組貼圖,只供組員參考): KingSIR 貼圖 | |
6-3988f | |
5-3988e | |
4-3988d | |
3-3988c | |
2-3988b | |
1-3988a | |