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刺齿贯众 Cyrtomium caryotideum (Wallich ex Hooker & Greville) C. Presl

目前为止,中国西南野生生物种质资源库共保藏该物种: DNA材料9份; DNA5份; 离体材料10份;

  • 科:鳞毛蕨科    Dryopteridaceae
  • 属:贯众属    Cyrtomium
  • 种:刺齿贯众   Cyrtomium caryotideum

1形状描述

26. Cyrtomium caryotideum (Wallich ex Hooker & Greville) C. Presl, Tent. Pterid. 86. 1836. 刺齿贯众 ci chi guan zhong Aspidium caryotideum Wallich ex Hooker & Greville, Icon. Filic. 1: t. 69. 1828; A. falcatum (Linnaeus f.) Swartz var. caryotideum (Wallich ex Hooker & Greville) Baker; Cyrtomium caducum (Wallich ex Hooker & Greville) T. Moore subvar. hastosum (Christ) H. Léveillé; C. caryotideum f. attenuatum (T. Moore) Ching; C. caryotideum var. attenuatum T. Moore; C. caryotideum f. grossedentatum Ching; C. caryotideum f. hastosum (Christ) Ching; C. caryotideum subvar. hastosum Christ; C. falcatum (Linnaeus f.) C. Presl var. caryotideum (Wallich ex Hooker & Greville) Beddome; C. falcatum subvar. hastosum Christ; Dryopteris caryotideum (Wallich ex Hooker & Greville) Underwood ex A. Heller; Polystichum caryotideum (Wallich ex Hooker & Greville) Diels; P. falcatum (Linnaeus f.) Diels var. caryotideum (Wallich ex Hooker & Greville) Matsumune.Plants 30-60 cm tall. Rhizome erect, densely covered with lanceolate blackish brown scales. Stipe stramineous, 16-32 cm, 2-3 mm in diam. at base, lower portion densely scaly; scales blackish brown or brown with a central blackish brown stripe, ovate or lanceolate, margins ciliate. Lamina oblong or oblong-lanceolate, 25-48 × 12-18 cm, base not contracted or slightly contracted, 1-imparipinnate, apex obtuse; rachis with sparse linear brown scales. Lateral pinnae 3-7 pairs, alternate, slightly ascendant, shortly stalked, deltoid-lanceolate, often falcate; middle pinnae 9-14 × 2.5-3.5 cm, base broadly cuneate or rounded-cuneate, acroscopic margins with long, acute auricles, margins serrulate, apex acuminate and often caudate; terminal pinna ovate or rhombic-ovate, forked or trifurcate, 10-16 × 8-11 cm; hard papery, abaxially with sparse lanceolate brown microscales, glabrous adaxially; venation pinnate, slightly raised abaxially, indistinct adaxially, veinlets anastomosing to form multiple rows of areoles on each side of midrib, each areole in proximal row with 1 included veinlet, each areole in other rows with 2 or 3 included veinlets. Sori throughout abaxial surface of pinnae; indusia white or light brown, margins toothed.Forests; 600-2700 m. Chongqing, S Gansu, N Guangdong, Guangxi, Guizhou, W Hubei, Hunan, Jiangxi (Jinggangshan), S Shaanxi, SW and W Sichuan, Taiwan, Xizang (Bomi, Gyirong, Mêdog), Yunnan [Bhutan, India, Japan, Nepal, Pakistan, Philippines, Vietnam].Cyrtomium caryotideum is an apomictic species.【引自:Flora of China】

植株高30-60厘米。根茎直立,密被披针形黑棕色鳞片。叶簇生,叶柄长16-32厘米,基部直径2-3厘米,禾秆色,腹面有浅纵沟,下部密生卵形及披针形黑棕色或棕色中间为黑棕色的鳞片,鳞片边缘有睫毛状齿,向上部渐秃净;叶片矩圆形或矩圆披针形,长25-48厘米,宽12-18厘米,先端钝,基部不变狭或略变狭,奇数一回羽状;侧生羽片3-7对,互生,斜向上,柄极短,卵状披针形,常向上弯成镰状,中部的长9-14厘米,宽2.5-3.5厘米,先端渐尖常成尾状,基部宽楔形或圆楔形上侧有长而尖的三角形耳状凸起,边缘有开张的小尖齿;具羽状脉,小脉联结成多行网眼,腹面不明显,背面微凸;顶生羽片卵形或菱状卵形,2叉或3叉状,长10-16厘米,宽8-11厘米。叶为坚纸质,腹面光滑,背面疏生披针形棕色小鳞片;叶轴腹面有浅纵沟,疏生线形棕色鳞片。孢子囊群遍布羽片背面;囊群盖圆形,盾状,边缘有齿。【引自:中国植物志】

2分布信息

采集编号 国家 区县 详情
FB183 中国 云南省 红河哈尼族彝族自治州 金平苗族瑶族傣族自治县 详细
FB243 中国 云南省 昆明市 石林彝族自治县 详细
FB166 中国 云南省 红河哈尼族彝族自治州 屏边苗族自治县 详细
12CS3805 中国 广西壮族自治区 百色市 那坡县 详细
Lu621 中国 浙江省 详细
Lu622 中国 浙江省 详细
QTP-II08-T05-000292 Nepal(尼泊尔) Gandaki Pradesh(甘达基省) 详细

3DNA样品信息

序列号 采集编号 保藏类型 份数 保藏温度 提取方法 数据来源
36072 FB183 DNA 5 -80℃ 改良CTAB法 DNA库

4离体材料信息

编号 保藏类型 保护级别 份数 数据来源
IVB0976 离体培养物 药用 10 离体材料库
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  • 创建者:种质资源库
  • 最近更新:2021年4月11日