Tropicos | Name - Racomitrium anomodontoides Cardot

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Racomitrium anomodontoides Cardot

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Project Name Data (Last Modified On 3/16/2009)

Acceptance : Accepted

Project Data (Last Modified On 5/4/2009)

General Reference:

Gao, C., M. R. Crosby & S. He. 2003. Grimmiaceae–Tetraphidaceae. 3: viii + 141 pp. In Moss Fl. China. Science Press & Missouri Botanical Garden, Beijing, New York & St. Louis.

Illustration & Distribution Map (Last Modified On 5/4/2009)

Illustrations:

Racomitrium anomodontoides Cardot (Figs. 1–13.)

Map:

Racomitrium anomodontoides Cardot (Distribution in China)

Ecology & World Range (Last Modified On 5/4/2009)

Habitat & Distribution:

Habitat: on rocks or thin soil over rocks or wet boulders near streams, occasionally on tree trunks; alt. 700–3080 m.

Distribution: China, Japan, the Philippines, and Hawaii.

Specimens Info (Last Modified On 5/4/2009)

Specimens Examined:

Chinese specimens examined: Anhui: Mt. Huangshan, P.-C. Chen 6911 (PE). Chongqing: Nan-chuan Co., P.-C. Wu 21190 (PE). Fujian: Cong-an Co., D.-K. Li 1871 (SHM); Mt. Wuyi, D.-K. Li & C.-H. Gao 11294 (SHM). Guangdong: Mt. Luofo, Morrill 11156 (NY). Guangxi: Long-shan Co., P.-C. Wu 211c (PE); Shang-si Co., C. Gao & G.-C. Zhang 2177 (IFSBH); Xing-an Co., C. Gao & G.-C. Zhang 1663 (IFSBH). Guizhou: Fanjinshan Nature Reserve, Bourell 4715 (CAS, MO); Jiang-kou Co., C. Gao & J.-Y. Feng 32470, 32695 (IFSBH); Lei-shan Co., Crosby 15640 (MO), B. C. Tan 91-824 (FH); Sui-yang Co., C. Gao & J.-Y. Feng 32782b (IFSBH). Hainan: Li-shu Co., Redfearn et al. 36201 (MO, SMS). Hebei: Mt. Wutai, X.-Z. Song 347 (PE). Heilongjiang: Xiao Xing An Ling (Lesser Khingan Mt.), Wu-ying, C. Gao 636021 (IFSBH). Hubei: Wu-feng Co., R.-S. Fu 50036 (PE). Hunan: Liu-yang Co., C. Gao & G.-C. Zhang 547 (IFSBH). Jiangxi: Jin-xi Co., S.-L. Wang et al. 0105 (PE); Mt. Lushan, Hua-zhong Teachers’ Coll. 3024 (PE). Jilin: Mt. Changbai, C. Gao 7453 (IFSBH). Liaoning: Feng-cheng Co., C. Gao 6987 (IFSBH). Shaanxi: Mt. Taibai, Z.-P. Wei 6647 (IFSBH). Sichuan: Hei-shui Co., Redfearn et al. 35496a (MO, SMS); Na-xi Co., Mt. Simian, T. Cao & Q. Li 41783 (IFSBH); Song-fan Co., Redfearn et al. 352676 (MO, SMS). Taiwan: Mt. Taiping, C.-C. Chuang 2219 (ALTA); Ping-tung Co., C.-C. Chuang 1520 (ALTA); Tai-tung Co., S.-S. Lin s.n. (ALTA). Yunnan: Gong-shan Co., Luo et al. 8 (M). Zhejiang: Mt. Jiulong, R.-L. Hong & Z.-L. Liu 171 (SHM); Wen-zhou City, D.-K. Li & C.-H. Gao 8239 (SHM); Mt. West Tianmu, D.-K. Li 3764 (SHM).

Notes (Last Modified On 5/4/2009)

general taxon notes:

Racomitrium anomodontoides is characterized by its robust plants (7–8 cm long) with long branches, broadly ovate-lanceolate leaves with plicate leaf bases and dentate leaf apices, large, elongate, and densely papillose leaf cells, and strongly sinuose cell walls. Racomitrium anomodontoides is one of the common species in China and is often mistaken as R. fasciculare. Noguchi (1974) synonymized this species with R. fasciculare var. atroviride. Our study of this species, by comparing with European and North American materials of R. fasciculare, indicates that Racomitrium anomodontoides is different in branching patterns, leaf shape, and leaf cell papillosity.

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3. Racomitrium anomodontoides Card. 黄砂藓 huang sha xian

Bull. Herb. Boissier, ser. 2, 8: 335. 1908. Syntypes. Japan: Ubayu, Faurie 2810; Jimba, Faurie 3388. Korea: Faurie 366, 510; Isl. Quelpaert, Faurie 625.

Racomitrium fasciculare (Hedw.) Brid. var. atroviride Card., Bull. Herb. Boissier, ser. 2, 8: 334. 1908.

Racomitrium formosicum Sak., Bot. Mag. (Tokyo) 51: 134. 1937. Type. China: Taiwan (Formosa), Taichu, Berg Nokô, Suzuki 7037.

Racomitrium yakushimense Sak., Bot. Mag. (Tokyo) 51: 135. 1937.

Plants robust, up to 7–8 cm long, yellowish green above, brown or dark brownish below, in extensive, loose tufts. Stems creeping or somewhat ascending, sparsely and irregularly branched; central strand absent. Leaves imbricately appressed when dry, erect-spreading when moist, narrowly ovate-lanceolate to lanceolate, 4.5–5.0 mm long, plicate at leaf base, slightly concave and keeled above, acuminate and dentate at apex; margins recurved on both sides; costa slender, broader at base, disappearing below the apex; upper and median leaf cells rectangular to elongate-rectangular, 12–30 µm × 5–7 µm, sinuosely thick-walled, with dense and large papillae, often forked, unistratose at margins; basal cells nearly linear-rectangular, 20–60 µm × 5–7 µm, strongly sinuose; alar cells not differentiated, with only one row of rectangular, hyaline marginal cells at the base, 11–20 µm × 9–11 µm, with straight thin walls. Perichaetial leaves smaller than stem leaves, shortly ovate-lanceolate, often secund. Setae erect, reddish brown, 10–12 mm long, smooth, twisted when dry; capsules cylindrical, 2.0–3.0 mm long, brownish; opercula long rostrate; peristome teeth linear, divided to the base, densely papillose. Spores yellowish, 14–20 µm in diameter, densely papillose.