Monstera amargalensis
#热植图鉴#热带loveplants2024-05-03
Monstera amargalensis,龟背竹图鉴,热带植物,天南星科,热带loveplants
基本信息 General Information
Accepted Name:Monstera amargalensis Croat & M.M.Mora
首次发布于:Aroideana 27: 113 (2004)
中文名称:-
科:天南星科
属:龟背竹属
原产地:哥伦比亚 (Chocó)
命名者:Croat & M.M.Mora
植物简介 Descriptions
附生;茎长不足 1 米;节间短,靠近顶端处直径 4 厘米,下部长度大于宽度,干燥后呈中黄褐色并具窄的纵向褶皱。叶具叶柄,长 28 - 60 厘米,稍长于叶片,适度绿色,无光泽,密布浅色斑点,包至叶枕;叶鞘中部以下内卷,靠近顶端直立,边缘保持完整;幼叶椭圆形至卵状椭圆形,长为宽的 1.9 倍,明显不等侧且无穿孔;成熟叶直立展开;叶片狭卵形,38 - 41×25 - 31 厘米,至少一侧羽状分裂,每侧具羽片 2 - 4 个,宽 2 - 11.5 厘米,离中脉 1 - 4.5 厘米处分裂,近革质,先端锐尖至短而突然渐尖,不等侧且基部钝圆至圆形且稍渐狭,上面中至深绿色且半有光泽,下面颜色适度较浅,黄绿色且半有光泽;干燥后近革质至纸质,上面深褐色至暗黄褐色,下面中黄褐色至深褐色;中脉在下面宽凹陷且呈较浅的黄绿色;中脉在上面宽凹陷且呈较浅的黄绿色,下面窄圆形且颜色较浅;
Epiphytic; stems less than 1 m long; internodes short, near apex, 4 cm diam. longer than broad lower down, drying medium yellow-brown and narrowly longitudinally folded. LEAVES with petioles 28-60 cm long, slightly longer than the blades, moderately green, matte, densely pale-speckled, sheathed to the geniculum; sheath incurled below the middle, erect near the apex, its margins persisting intact; juvenile leaves elliptic to ovate-elliptic, 1.9 times longer than wide, markedly inequilateral and lacking perforations; adult leaves erect-spreading; blades narrowly ovate, 38-41 x 25-31 cm, pinnatifid, at least on one side, with pinnae 2-4 per side, 2-11.5 cm wide, divided to within 1-4.5 cm from the midrib, subcoriaceous, acute to shortly and abruptly acuminate at apex, inequilateral and obtuse to rounded and weakly attenuate at base, medium to dark green and semiglossy above, moderately paler, yellow-green and semiglossy below; drying subcoriaceous to papyraceous, dark brown to dark yellow-brown above, medium yellow-brown to dark brown below; midrib broadly sunken and paler yellow-green below; midrib broadly sunken and paler yellow-green above, narrowly rounded and paler below; primary lateral veins 14-16 pairs, arising from midrib at 40-55° angle, making a broad curve or gradual sigmoid curve to the margins, concolorous, bluntly and deeply sunken above, prominently convex, much paler and pleated below, drying moderately darker than the surface; minor veins moderately few, indistinct. INFLORESCENCE 1 per axil; peduncle 18-23 long, 1.4-1.6 times longer than spadix, slightly thicker in one dimension, 1-1.5 cm x 0.8-1.3 cm (drying to ca. 7-10 mm diam.); spathe promptly deciduous; spadix light gray-green, matte, whitish, 12-14 m long, 2-2.5 cm diam.; pistils subterete to hexagonal at apex, the style drying blackened and sunken at apex, 2.8-3.2 mm diam.; stigmas linear, extending across most of the style.
植物图片 Images
幼年期 Juvenility
生长期 Growth period
成熟期 Maturity
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参考资料
植物标本