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单叶槟榔青 |
中文名:单叶槟榔青 学 名:Spondias haplophylla Airy-Shaw et Forman 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:原始花被亚纲 目:无患子目 亚 目:漆树亚目 科:漆树科 族:槟榔青族 属:槟榔青属 缅甸等地 |
单叶槟榔青,学名 Spondias haplophylla Airy-Shaw et Forman,槟榔青族乔木,高6米,产自云南思茅、缅甸等地。 [1]
单叶槟榔青形态特征
乔木,高6米;小枝粗8—10毫米,具叶痕、树皮光滑,紫褐色;单叶互生;长圆状椭圆形,长6-10厘米,宽2—5.3厘米,先端急尖或钝,基部楔形到心形,全缘,叶两面具极小乳突状微柔毛(叶背脉上尤显),侧脉约12对,但个别仅5对,近边缘处弯曲,但不形成边缘内的聚合脉;叶柄长2—6厘米。
花序顶生,聚伞圆锥花序,尖塔形,长达28厘米,花序单出,但也有3出,花序轴径4—5毫米,具尖锐的稜角,略具条纹,被极细微柔毛,分枝上升,长6-13厘米,第二次分枝短而开展;花(4-)5数;花柄长约2毫米,纤细;花萼浅杯状,裂片短三角形,被微柔毛;花蕾倒卵圆形,径约1毫米,无毛;花瓣椭圆状长圆形,长2.5毫米,宽1毫米,在芽中镊合状排列,急尖,具细尖头,具3条脉,开花时外卷;雄蕊10,花丝纤细,先端渐狭,长2毫米,丁字着生,背着药;花盘浅杯状,边缘波状下凹;子房1室,心皮单生,卵圆形,长0.5毫米,无毛,花柱短粗,直,柱头大,不对称,压扁,侧面下延。果不详 。
Spondias haplophylla Airy-Shaw et Forman in Kew Bull. 21 (1): 17, f. 3. 1967; 云南植物志2: 372. 1979. ——Bouea brandisiana Kurz in Journ. As. Soc. Beng. 40. 1871, p. p. quoad inflorescentiam tantum.
Trees, ca. 6 m tall; branchlets purplish brown, glabrous. Petiole 2-6 cm; leaf blade simple oblong-elliptic, 6-10 × 2-5.3 cm, mixed papillose and minutely pubescent on both surfaces especially along veins, base cuneate to cordate, margin entire, apex acute or obtuse, lateral veins ca. 12 pairs, sometimes less, submarginal veins absent. Inflorescence paniculate, terminal, cylinder-shaped, up to 28 cm; peduncle 4-5 mm thick, ribbed, minutely pubescent; first order branches adscendent, 6-13 cm, second order branches short and spreading. Pedicel ca. 2 mm; flower 4- or 5-merous. Calyx cup-shaped, lobes shortly triangular, minutely pubescent. Petals elliptic-oblong, ca. 2.5 × 1 mm, acute, revolute in open state, 3-veined. Stamens 10; filaments ca. 2 mm. Disk shallowly cup-shaped, margin undulate. Ovary ca. 0.5 mm, glabrous, 1-locular; stigma large, compressed, laterally decurrent. Fruit not seen. Fl. Apr.
Hill forests; ca. 1500 m. S Yunnan [Myanmar].
单叶槟榔青生长环境
生于海拔1500米。