山荷叶Astilboides tabularis

中文名(Chinese Name):山荷叶
学名(Scientific Name):Astilboides tabularis (Hemsl.) Engl.
英文名(English Common Name):
别名(Chinese Common Name):大叶子
异名(Synonym):Saxifraga tabularis Hemsl.  Rodgersia tabularis (Hemsl.) Kom.
科属(Family & Genus):虎耳草科(Saxifragaceae)大叶子属
形态特征(Description):多年生草本,高1-1.5米。根状茎粗壮,暗褐色,长达35厘米,直径2-3厘米,节上生不定根。茎不分枝,下部疏生短硬腺毛。基生叶1,盾状着生,近圆形,或卵圆形,直径18-60(-100)厘米,掌状浅裂,裂片宽卵形,先端急尖或短渐尖,常再浅裂,边缘具齿状缺刻和不规则重锯齿,两面被短硬毛(有的带腺头);叶柄长30-60厘米,具刺状硬腺毛;茎生叶较小,掌状3-5浅裂,基部楔形或截形。圆锥花序顶生,长15-20厘米,具多花;花小,白色或微带紫色,萼片4-5,卵形,革质,长约2毫米,宽1.7-1.8毫米,先端钝或微凹,腹面和边缘无毛,背面疏生近无柄之腺毛,5脉于先端汇合;花瓣4-5,倒卵状长圆形;雄蕊8,花丝长2.4-2.5毫米;心皮2,下部合生,子房半下位。蒴果长6.5-7毫米;种子狭卵形,长约2.2毫米,具翅。染色体2n=34,或36。花期6-7月,果期8-9月。
分布(Distribution):产吉林、辽宁等省,生于山坡杂本林下或山谷沟边。朝鲜也有分布。
用途(Use):根状茎含鞣质和淀粉,可提制栲胶和酿酒。5-6月采嫩芽及叶柄,可蔬食。
引自中国植物志英文版:FOC Vol. 8 Page 272     
Astilboides tabularis (Hemsley) Engler, Pflanzenr. 69(IV. 117. II): 675. 1919.
大叶子 da ye zi| Saxifragaceae  | Astilboides
Saxifraga tabularis Hemsley in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 23: 269. 1887; Rodgersia tabularis (Hemsley) Komarov.
Herbs 1-1.5 m tall. Rhizome brown, to 35 × 2-3 cm, with adventitious roots at nodes. Stem simple, proximally sparsely rigidly glandular hairy. Basal leaf 1; petiole 30-60 cm, spinose glandular hairy; leaf blade 1.8-6(-10) cm in diam., lobes broadly ovate, both surfaces rigidly hairy or rigidly glandular hairy, margin incised-dentate and irregularly serrate, apex acute or shortly acuminate. Cauline leaves smaller than basal one, 3-5-palmatilobed, base cuneate or truncate. Panicle 15-20 cm, many flowered. Sepals ovate, ca. 2 × 1.7-1.8 mm, leathery, abaxially sparsely subsessile glandular hairy, adaxially and marginally glabrous, veins 5, apically confluent, apex obtuse or retuse. Petals white or lilac, obovate-oblong. Filaments 2.4-2.5 mm. Capsule 6.5-7 mm. Seeds ca. 2.2 mm. Fl. Aug-Sep. 2n = 34, 36.
Forests on slopes, valleys. Jilin, Liaoning [Korea].
 山荷叶Astilboides tabularis

山荷叶Astilboides tabularis

山荷叶Astilboides tabularis
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