光轴肿足蕨Hypodematium hirsutum (Don) Ching
光轴肿足蕨Hypodematium hirsutum (Don) Ching
3.光轴肿足蕨（中国蕨类植物孢子形态）
Hypodematium hirsutum (Don) Ching in Ind. Fern Journ. 1 (1-2): 49. 1984; Johns, Ind. Fil. Suppl. 6: 188. 1996. ——Nephrodium hirsutum Don, Fl. Nepal 6. 1825.——Aspidium eriocarpum (Wall.: List n. 342. 1828. nom. nud.) Mett., Farng. Phegop. & Aspid n. 342. 1858. ——Nephrodium eriocarpum Dcne in Arch. Mus. Paris 2: 185. 1841; Hook. Sp. Fil. 4: 141. 1862.——Lastrea eriocarpa Presl, Tent. Pterid. 77. 1835; Bedd., Ferns South Ind. t. 95. 1863. ——Hypodematium eriocarpum (Mett.) Ching in Ic. Corm. Sin. 1: 204. 1972; Fl. Qinling. 2: 130. 1974; Y. L. Zhang et al., Sporae Pterid. Sin. 284. t. 59: 13, 14, 16. 1976; 丁宝章等, 河南植物志1: 72. 1981; Ching et al., Fl. Xizang. 1: 154. f. 37. 1983; Nakaike et V. L. Gurung in Crypt. Himal. 1: Kathamandu 193. 1988; Shing in W. T. Wang, Vasc. Pl. Hengduan Mts. 1: 93. 1993; C. M. Zhang in W. T. Wang, Keys Vasc. Pl. Wuling Mts. 37. 1995. ——Nephrodium odoratum Hook. et Bak., Syn. Fil. 280. 1867. pro part. ——Hypodemat crenatum Kuhn sensu Ching in Sunyatsensia 3(1): 9. 1935. pro parte.
植株高（23-）35-60（-80）厘米。根状茎横卧，粗约1.2毫米，连同叶柄膨大的基部密被鳞片；鳞片长1-1.5毫米，基部宽1-1.3毫米，线状披针形，全缘，亮红棕色。叶近生，柄长（7-）15-25（-40）厘米，粗1.5-3.5毫米，浅棕禾秆色，基部以上光滑无毛，有光泽；叶片长17-45厘米，基部最宽，几与长相等或稍狭，阔卵形至五角状阔卵形，渐尖头，下部四回羽状，向上三回羽状或三回羽裂；羽片8-12对，稍斜上，基部一对最大，长9-25（-30）厘米，基部宽8-12（-20）厘米，三角状长圆形，短渐尖头，基部圆截形，具长（0.5-）1-2厘米的柄，三回羽状，一回小羽片8-20对，上先出，斜展，羽轴下侧的较上侧的为长，尤以基部一片最大，长（3-）6-12厘米，基部宽（2-）4-6厘米，三角状披针形，钝尖头，基部浅心形至圆截形，两侧有狭翅下延，具短柄，二回羽状；二回小羽片7-15对，斜上，彼此接近，基部一对较大，长1-3厘米，基部宽1-2厘米，披针形至长圆形，向上的渐缩小，一回羽状；末回小羽片5-8对，长圆形，先端圆钝，基部楔形并下延，彼此以狭翅相连，边缘具3-5个长圆状裂片；裂片先端具2-3个浅锯齿；羽片基部上侧的一回小羽片长2-7厘米，基部宽1.5-4厘米，卵状三角形，先端短渐尖或圆钝头，基部近平截，两侧有狭翅，下延，具短柄；第二对以上羽片渐次缩短，羽轴两侧的一回小羽片等大。叶脉两面明显，侧脉羽状分叉，斜上，小脉伸达叶边。叶干后薄纸质，黄绿色，两面疏被灰白色细短柔毛，羽轴下面偶有红棕色的线状披针形狭鳞片。孢子囊群圆形，背生于侧脉中部，每末回小羽片1-3枚；囊群盖大，圆肾形，灰棕色，背面隆起，密被细柔毛，宿存；孢子圆肾形，周壁具褶皱，形成网胞状，表面具小刺状纹饰。
产河南西部、陕西（宁陕）、甘肃东南部（康县、文县）、四川、贵州（赫章）、云南、西藏南部（吉隆）。生山坡或林下石灰岩缝，海拔400-2000米。分布印度北部、缅甸、尼泊尔和锡金。
《Flora of China》 Vol. 2-3 (2013)
Hypodematium hirsutum (D. Don) Ching Indian Fern J. 1(1-2): 49. 1985.
光轴肿足蕨 guang zhou zhong zu jue
Nephrodium hirsutum D. Don, Prodr. Fl. Nepal. 6. 1825; Aspidium eriocarpum Wallich ex Mettenius; Hypodematium eriocarpum (Wallich ex Mettenius) Ching; H. microlepioides Ching ex K. H. Shing; Lastrea eriocarpa (Wallich ex Mettenius) C. Presl; N. eriocarpum (Wallich ex Mettenius) Decaisne.
Plants (23-)35-60(-80) cm tall. Rhizomes prostrate, densely scaly together with swollen stipe base; scales reddish brown, linear-lanceolate, 1-1.5 cm × 1-1.3 mm. Fronds approximate; stipe light brownish stramineous, lustrous, (7-)15-25(-40) cm × 1.5-3.5 mm, upward glabrous; lamina broadly ovate to pentagonal-ovate, (12-)17-45 cm, thinly herbaceous, both surfaces with sparse short, grayish white hairs, 4-pinnate at base, 3-pinnate or 3-pinnatifid upward, apex acuminate; costae and costules sometimes abaxially covered with reddish brown, linear-lanceolate scales; pinnae 8-12 pairs, slightly oblique, basal pair largest, deltoid-oblong, 9-25(-30) × 8-12(-20) cm, (0.5-)1-2 cm stalked, 3-pinnate, apex shortly acuminate; pinnules (7 or)8-20 pairs, anadromous, oblique, acroscopic ones smaller, proximal basiscopic pair largest, triangular-lanceolate, (3-)6-12 × (2-)4-6 cm, shortly stalked, base cuneate, 2-pinnate, apex acuminate; ultimate pinnules (4 or)5-8 pairs, oblong, base cuneate and decurrent, connected to each other by narrow wings, 3-5-lobed, each lobe with 2-4 serratures at apex, apex obtuse. Veins obvious on both surfaces, pinnate, ending at margin. Sori orbicular, 1-3 per ultimate pinnule, at middle of veinlets; indusia grayish brown, reniform, large, densely covered with hairs. Spores ellipsoid, bearing inflated folds, with echinate ornaments.
Mountain slopes, limestone crevices within forests; 400-2000 m. SE Gansu (Kangxian, Wenxian), Guizhou (Hezhang), W Henan, Shaanxi (Ningshan), Sichuan, Xizang, Yunnan [Bhutan, India, Myanmar, Nepal].
科名：肿足蕨科 Hypodematiaceae
属名：肿足蕨属 Hypodematium
3.光轴肿足蕨（中国蕨类植物孢子形态）
Hypodematium hirsutum (Don) Ching in Ind. Fern Journ. 1 (1-2): 49. 1984; Johns, Ind. Fil. Suppl. 6: 188. 1996. ——Nephrodium hirsutum Don, Fl. Nepal 6. 1825.——Aspidium eriocarpum (Wall.: List n. 342. 1828. nom. nud.) Mett., Farng. Phegop. & Aspid n. 342. 1858. ——Nephrodium eriocarpum Dcne in Arch. Mus. Paris 2: 185. 1841; Hook. Sp. Fil. 4: 141. 1862.——Lastrea eriocarpa Presl, Tent. Pterid. 77. 1835; Bedd., Ferns South Ind. t. 95. 1863. ——Hypodematium eriocarpum (Mett.) Ching in Ic. Corm. Sin. 1: 204. 1972; Fl. Qinling. 2: 130. 1974; Y. L. Zhang et al., Sporae Pterid. Sin. 284. t. 59: 13, 14, 16. 1976; 丁宝章等, 河南植物志1: 72. 1981; Ching et al., Fl. Xizang. 1: 154. f. 37. 1983; Nakaike et V. L. Gurung in Crypt. Himal. 1: Kathamandu 193. 1988; Shing in W. T. Wang, Vasc. Pl. Hengduan Mts. 1: 93. 1993; C. M. Zhang in W. T. Wang, Keys Vasc. Pl. Wuling Mts. 37. 1995. ——Nephrodium odoratum Hook. et Bak., Syn. Fil. 280. 1867. pro part. ——Hypodemat crenatum Kuhn sensu Ching in Sunyatsensia 3(1): 9. 1935. pro parte.
植株高（23-）35-60（-80）厘米。根状茎横卧，粗约1.2毫米，连同叶柄膨大的基部密被鳞片；鳞片长1-1.5毫米，基部宽1-1.3毫米，线状披针形，全缘，亮红棕色。叶近生，柄长（7-）15-25（-40）厘米，粗1.5-3.5毫米，浅棕禾秆色，基部以上光滑无毛，有光泽；叶片长17-45厘米，基部最宽，几与长相等或稍狭，阔卵形至五角状阔卵形，渐尖头，下部四回羽状，向上三回羽状或三回羽裂；羽片8-12对，稍斜上，基部一对最大，长9-25（-30）厘米，基部宽8-12（-20）厘米，三角状长圆形，短渐尖头，基部圆截形，具长（0.5-）1-2厘米的柄，三回羽状，一回小羽片8-20对，上先出，斜展，羽轴下侧的较上侧的为长，尤以基部一片最大，长（3-）6-12厘米，基部宽（2-）4-6厘米，三角状披针形，钝尖头，基部浅心形至圆截形，两侧有狭翅下延，具短柄，二回羽状；二回小羽片7-15对，斜上，彼此接近，基部一对较大，长1-3厘米，基部宽1-2厘米，披针形至长圆形，向上的渐缩小，一回羽状；末回小羽片5-8对，长圆形，先端圆钝，基部楔形并下延，彼此以狭翅相连，边缘具3-5个长圆状裂片；裂片先端具2-3个浅锯齿；羽片基部上侧的一回小羽片长2-7厘米，基部宽1.5-4厘米，卵状三角形，先端短渐尖或圆钝头，基部近平截，两侧有狭翅，下延，具短柄；第二对以上羽片渐次缩短，羽轴两侧的一回小羽片等大。叶脉两面明显，侧脉羽状分叉，斜上，小脉伸达叶边。叶干后薄纸质，黄绿色，两面疏被灰白色细短柔毛，羽轴下面偶有红棕色的线状披针形狭鳞片。孢子囊群圆形，背生于侧脉中部，每末回小羽片1-3枚；囊群盖大，圆肾形，灰棕色，背面隆起，密被细柔毛，宿存；孢子圆肾形，周壁具褶皱，形成网胞状，表面具小刺状纹饰。
产河南西部、陕西（宁陕）、甘肃东南部（康县、文县）、四川、贵州（赫章）、云南、西藏南部（吉隆）。生山坡或林下石灰岩缝，海拔400-2000米。分布印度北部、缅甸、尼泊尔和锡金。
《Flora of China》 Vol. 2-3 (2013)
Hypodematium hirsutum (D. Don) Ching Indian Fern J. 1(1-2): 49. 1985.
光轴肿足蕨 guang zhou zhong zu jue
Nephrodium hirsutum D. Don, Prodr. Fl. Nepal. 6. 1825; Aspidium eriocarpum Wallich ex Mettenius; Hypodematium eriocarpum (Wallich ex Mettenius) Ching; H. microlepioides Ching ex K. H. Shing; Lastrea eriocarpa (Wallich ex Mettenius) C. Presl; N. eriocarpum (Wallich ex Mettenius) Decaisne.
Plants (23-)35-60(-80) cm tall. Rhizomes prostrate, densely scaly together with swollen stipe base; scales reddish brown, linear-lanceolate, 1-1.5 cm × 1-1.3 mm. Fronds approximate; stipe light brownish stramineous, lustrous, (7-)15-25(-40) cm × 1.5-3.5 mm, upward glabrous; lamina broadly ovate to pentagonal-ovate, (12-)17-45 cm, thinly herbaceous, both surfaces with sparse short, grayish white hairs, 4-pinnate at base, 3-pinnate or 3-pinnatifid upward, apex acuminate; costae and costules sometimes abaxially covered with reddish brown, linear-lanceolate scales; pinnae 8-12 pairs, slightly oblique, basal pair largest, deltoid-oblong, 9-25(-30) × 8-12(-20) cm, (0.5-)1-2 cm stalked, 3-pinnate, apex shortly acuminate; pinnules (7 or)8-20 pairs, anadromous, oblique, acroscopic ones smaller, proximal basiscopic pair largest, triangular-lanceolate, (3-)6-12 × (2-)4-6 cm, shortly stalked, base cuneate, 2-pinnate, apex acuminate; ultimate pinnules (4 or)5-8 pairs, oblong, base cuneate and decurrent, connected to each other by narrow wings, 3-5-lobed, each lobe with 2-4 serratures at apex, apex obtuse. Veins obvious on both surfaces, pinnate, ending at margin. Sori orbicular, 1-3 per ultimate pinnule, at middle of veinlets; indusia grayish brown, reniform, large, densely covered with hairs. Spores ellipsoid, bearing inflated folds, with echinate ornaments.
Mountain slopes, limestone crevices within forests; 400-2000 m. SE Gansu (Kangxian, Wenxian), Guizhou (Hezhang), W Henan, Shaanxi (Ningshan), Sichuan, Xizang, Yunnan [Bhutan, India, Myanmar, Nepal].