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資料編號: | HK-307 |
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中文名稱: | 香港大沙葉 |
中文別名: | 茜木 |
學名: | Pavetta hongkongensis [找同屬植物] |
英文名稱: | HongKong Pavetta |
植物科名: (APG新系統) | RUBIACEAE茜草科 [找同科植物] |
標室舊系統 | RUBIACEAE茜草科[找同科] |
生長習性: | 小喬木_灌木 |
原生/外來: | 香港原生植物 |
圖片花色: | white |
發現開花: | May |
特別特徵: | 單葉對生 |
圖片果色: | green |
資料更新: | 20220806 09:34:22 pm |
備註: 娃娃手記: 1.葉在透光下可以看到[沙粒]係辨認特徵之一 2.葉柄長1-2厘米 3.側脈每邊約6-7條 FOC: Shrubs or small trees, 1-4 m tall; branches compressed, glabrous, green or almost green, often drying blackened. Petiole 1-2 cm, glabrous; leaf blade drying membranous, elliptic-oblong to elliptic-oblanceolate, 8-15 × 3-6.5 cm, often with bacterial nodules, adaxially glabrous, abaxially glabrous, glabrescent, or pubescent along midrib, base cuneate to acute, apex acuminate to acute; secondary veins 6 or 7 pairs; stipules broadly ovate-triangular, 1-3 mm, glabrous, acute to shortly aristate. Inflorescences terminal on lateral branches, laxly corymbose, 7-9 × 7-15 cm, many flowered, glabrous; peduncle 1-2 cm; pedicels 3-6 mm. Flowers pedicellate. Calyx with hypanthium portion ellipsoid, ca. 1 mm, glabrous; limb 0.5-1.5 mm, glabrous, shallowly lobed. Corolla white, outside glabrous; tube 12-19 mm, inside pilose at throat; lobes narrowly triangular-oblong, 5-7 mm, acute to obtuse. Style ca. 35 mm. Drupes globose, 6-7 mm, pilosulous to glabrous, calyx limb persistent. Fl. Mar-Jul, fr. Jul-Nov. 中國植物誌: 灌木或小喬木,高1-4米;葉對生,膜質,長圓形至橢圓狀倒卵形,長8-15厘米,寬3-6.5厘米,頂端漸尖,基部楔形,上面無毛,下面近無毛或沿中脈上和脈腋內被短柔毛;側脈每邊約7條,在葉片上面平坦,在下面凸起;葉柄長1-2厘米;托葉闊卵狀三角形,長約3毫米,外面無毛,裡面有白色長毛,頂端急尖。 花序生於側枝頂部,多花,長7-9厘米,直徑7-15厘米;花具梗,梗長3-6毫米;萼管鐘形,長約1毫米,萼簷擴大,在頂部不明顯的4裂,裂片三角形;花冠白色,冠管長約15毫米或長些,外面無毛,裡面基部被疏柔毛;花絲極短,花藥突出,線形,長約4毫米,花開時部分旋扭;花柱長約35毫米,柱頭棒形,全緣。果球形,直徑約6毫米。花期3-4月。 | |
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19-307s | |
18-307r | |
17-307q | |
16-307p 托葉闊卵狀三角形,長約3毫米,外面無毛,裡面有白色長毛,頂端急尖。 | |
15-307o | |
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11-307k | |
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3-307c | |
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1-307a | |