資料編號: | HK-6923 |
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中文名稱: | 大葉青岡(標室沒收錄) |
學名: | Cyclobalanopsis jenseniana [找同屬植物] |
植物科名: (APG新系統) | FAGACEAE殼斗科 [找同科植物] |
標室舊系統 | FAGACEAE殼斗科[找同科] |
生長習性: | 喬木 |
資料更新: | 20221213 09:08:18 pm |
備註: FOC: Trees to 35 m tall. Branchlets thick, sulcate, glabrous, densely lenticellate; lenticels pale brown. Petiole 3-5 cm, adaxially sulcate, glabrous; leaf blade elliptic, oblong-elliptic, or obovate-oblong, 12-20(-30) × 6-8(-13) cm, subleathery to leathery, glabrous, base cuneate, broadly cuneate, or subrounded, margin entire, apex caudate to acuminate; midvein abaxially prominent, adaxially impressed; secondary veins 12-18 (-24) on each side of midvein, curving near margin; tertiary veins abaxially slender, evident. Female inflorescences 3-5(-9) cm; rachis lenticels grayish brown, oblong. Infructescences 5-10 cm. Cupule cupular, 0.8-1 × 1.3-1.5 cm, enclosing 1/3-1/2 of nut, outside and inside with thick orangish brown indument but outside glabrescent, wall less than 1 mm thick; bracts in 6-9 rings, margin denticulate. Nut oblong-ovoid, obovoid, or ovoid-conical, 1.7-2.2 × (0.8-)1.3-1.5 cm, yellowish velutinous, glabrescent; scar (3-)6 mm in diam., raised; stylopodium persistent. Fl. Apr-Jun, fr. Oct-Nov of following year. | |
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