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資料編號: | HK-390 |
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中文名稱: | 大果核果茶 |
中文別名: | |
學名: | Pyrenaria spectabilis [找同屬植物] |
異名: | Tutcheria championii; Tutcheria spectabilis |
英文名稱: | Common Tutcheria |
植物科名: (APG新系統) | THEACEAE山茶科 [找同科植物] |
標室舊系統 | THEACEAE山茶科[找同科] |
生長習性: | 常綠喬木 |
原生/外來: | 香港原生植物 |
圖片花色: | yellow |
發現開花: | May |
特別特徵: | 單葉互生 |
圖片果色: | brown |
資料更新: | 20220730 08:46:51 pm |
備註: 標室仍用: 石筆木 攝於八月 以前是石筆木屬 Tutcheria spp.; 現已改為核果茶屬 Pyrenaria spp. FOC: Trees 5-15 m tall. Young branches yellowish brown to grayish brown; current year branchlets puberulent when young, soon glabrescent. Petiole 5-10 mm; leaf blade oblong, 16-18 × 4-7 cm, leathery, abaxially pale green, sparsely pubescent when young but soon glabrescent, and becoming yellowish brown when dry, adaxially green becoming yellowish green when dry, shiny, and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 12-16 on each side of midvein and raised on both surfaces, base cuneate, margin undulate-serrate, apex acuminate to bluntly acuminate. Flowers axillary or subterminal, solitary, 4-10 cm in diam. Pedicel 2-10 mm, pubescent; bracteoles 2, ovate to broadly ovate, 1-1.5 × 1.5-2 cm, outside densely yellow sericeous. Sepals 9-11, suborbicular, 2-3(-4) cm in diam., thickly leathery, outside yellowish sericeous, margin membranous, apex rounded to retuse. Petals 5 or 6, white, broadly obovate, 4-5 × 2-3 cm, outside yellowish sericeous, inside glabrous, margin membranous, apex emarginate. Stamens numerous, ca. 1.5 cm, glabrous; outer filament whorl basally slightly connate and adnate to petals. Ovary densely yellowish tomentose, 3-6-loculed with 2-5 ovules per locule; style 3-6, pubescent basally to middle, connate to near apex. Capsule globose to oblate, 2-8 cm in diam., 3-6-loculed with 2-5 seeds per locule, dehiscent from base; pericarp 1-5 mm thick when dry, woody, yellow tomentose; columella persistent. Seeds brown, oblong, laterally compressed, ca. 2.5 cm, shiny. Fl. May-Jun, fr. Aug-Oct. 高達9m,喜溫暖濕潤環境,生長在山谷和雜木林中 樹皮灰褐色,樹冠橢圓形,多分枝 葉: 互生,橢圓形,7x17cm,先端急尖,基部漸漸尖削,邊緣下部全緣,近葉端有淺鋸齒,厚革質,色澤濃綠光亮,葉背脈顯著.柄長1cm 花: 5-6月,單生枝頂或腋生,白色,10cm,大而美麗.分離萼片5,淡綠色.5-6片花瓣有絹毛,略有芳香.花中有大量橙黃色雄蕊;子房上位,3-6室,每室有胚珠2-5顆;花柱數目與子房室相同,下面連接,近末端分離 果: 6-7月,木質蒴果球形,較大,5x4cm,密生金黃色絨毛,宿存花柱.常裂開3-5室,露出每室3-5枚紅色的種子 source from hkwildlife.net 中國植物誌: 常綠喬木,樹皮灰褐色,嫩枝略有微毛,不久變禿。葉革質,橢圓形或長圓形,長12-16厘米,寬4-7厘米,先端尖銳,基部楔形,上面乾後黃綠色,稍發亮,下面無毛,側脈10-14對,與網脈在兩面均稍明顯,邊緣有小鋸齒,葉柄長6-15毫米。 花單生於枝頂葉腋,白色,直徑5-7厘米,花柄長6-8毫米;苞片2,卵形,長8-12毫米;萼片9-11片,圓形,厚革質,長1.5-2.5厘米,外面有灰毛;花瓣5片,倒卵圓形,長2.5-3.5厘米,先端凹入,外面有絹毛,雄蕊長1.5厘米;子房3-6室,有毛,花柱連合,頂端3-6裂;胚珠每室2-5個。蒴果球形,直徑5-7厘米,由下部向上開裂;果爿5片;種子腎形,長1.5-2厘米。花期6月。 | |
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