A taxonomic revision of the Pyracantha crenulata complex (Rosaceae, Maleae) Author Feng, Hui-Zhe 0000-0001-5693-7992 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yatsen University, 510275 Guangzhou, Guangdong, China & fenghuizhe @ outlook. com; https: // orcid. org / 0000 - 0001 - 5693 - 7992 fenghuizhe@outlook.com Author Wei, Su-Juan 0000-0002-2285-4723 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yatsen University, 510275 Guangzhou, Guangdong, China & weisj @ mail 2. sysu. edu. cn; https: // orcid. org / 0000 - 0002 - 2285 - 4723 Author Wang, Long-Yuan 0000-0003-2845-8171 Department of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, 510225 Guangzhou, Guangdong, China & wanglongyuan @ zhku. edu. cn; https: // orcid. org / 0000 - 0003 - 2845 - 8171 wanglongyuan@zhku.edu.cn Author Chen, Su-Fang 0000-0003-3920-7618 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yatsen University, 510275 Guangzhou, Guangdong, China & chsuf @ mail. sysu. edu. cn; https: // orcid. org / 0000 - 0003 - 3920 - 7618 chsuf@mail.sysu.edu.cn Author Fan, Qiang 0000-0003-4254-6936 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yatsen University, 510275 Guangzhou, Guangdong, China & fanqiang @ mail. sysu. edu. cn; https: // orcid. org / 0000 - 0003 - 4254 - 6936 fanqiang@mail.sysu.edu.cn Author Liao, Wen-Bo 0000-0001-6839-9511 State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yatsen University, 510275 Guangzhou, Guangdong, China & lsslwb @ mail. sysu. edu. cn; https: // orcid. org / 0000 - 0001 - 6839 - 9511 lsslwb@mail.sysu.edu.cn text Phytotaxa 2021 2021-01-06 478 2 239 252 http://dx.doi.org/10.11646/phytotaxa.478.2.5 journal article 10.11646/phytotaxa.478.2.5 1179-3163 5413169 Pyracantha crenulata (D. Don) M. Roemer (1847: 220) . ≡ Mespilus crenulata D. Don (1825: 238) . ≡ Crataegus crenulata (D. Don) Roxburgh (1832: 509) . Type :— NEPAL . Wallich Cat. 674 (GZU-000283038!, GZU-000283040!, K-000758628!, K-001111567! & MO-1898609!). = Photinia fortuneana Maximowicz (1873: 179) . ≡ Pyracantha fortuneana (Maxim.) H.L. Li (1944: 420) . Type :— CHINA . Fujian : Xiamen [Hsiameng], Fortune A69 (K-000758310!, K-000758311!, P-02143286!, P-02143287! & P-02143288!). = Sportella atalantioides Hance (1877: 207) . ≡ Pyracantha atalantioides (Hance) Stapf (1926: 9099) . Type :— CHINA . Guangdong [ Kuangtung ]: Lianzhou [Lianchaw], October 1876 , J.C. Nevin s.n. (Herb. propr. n. 19960) (BM-000946992!, BM-000946993!, K- 000758623! & K-000758625!). = Photinia crenatoserrata Hance (1880: 261) . ≡ Pyracantha crenatoserrata (Hance) Rehder (1931: 72) . Type :— CHINA . Hubei [Hupeh]: Yichang [Ichang], 1879, T. Watters s.n. (Herb. propr. n. 20988). = Pyracantha gibbsii A.B. Jackson (1916: 309) . Type :— CHINA . Hubei [Hupeh]: Badong [Patung], E.H. Wilsion 349 (A-00969286!, A- 00969287! & A-00969288!); Western Hubei , E.H. Wilsion 662 (A-00969291! & GH-00969283!); E.H. Wilsion 2984 (A-00969289! & GH00969290 !); Sichuan : Mt. Emei , E.H. Wilsion 4871a (A-00138014! & A-00138108!). = Pyracantha crenulata var. rogersiana A.B. Jackson (1916: 309) . ≡ Pyracantha rogersiana (A.B. Jacks.) Bean (1921: 2608) . Type :— CHINA . Yunnan : Delavay 1889 ; Western China: Forrest 5984 (K). = Pyracantha discolor Rehder (1920: 260) . Type :— CHINA . Hubei : Fang Hsien , June 1907 , E.H. Wilsion s.n. ( Arnold Arb. Exp. No. 2986). = Pyracantha crenulata var. kansuensis Rehder (1923: 115) . Type :—USA. Santa Barbara cultivated (original collected from near Yan-puko , Gansu [ Kansu ], China ), November 29, 1922 , E.O. Orpet s.n. (A-00032483!). Shrubs or small trees, to 5 m tall, with thorny branches. Branches dark brown when old, initially rusty pubescent, glabrous when old. Petiole 3–6 mm , glabrous; leaf blade oblong or oblanceolate, rarely ovate-lanceolate, 2–7 × 0.8–1.8 cm , both surfaces glabrous, base broadly cuneate or slightly rounded, margin entire or serrulate, apex acute or obtuse. Compound corymb 3–5 cm in diam., many flowered; peduncle initially brown pubescent basally, glabrescent; bracts caducous, lanceolate. Pedicel 4–10 mm , glabrous. Flowers 6–9 mm in diam. Hypanthium campanulate, glabrous. Sepals triangular, 1–1.2 mm , abaxially glabrous, apex acute. Petals orbicular, 4–5 × 3–4 mm , apex rounded. Stamens 20; filaments 2–3 mm . Ovary densely white pubescent apically; styles nearly as long as stamens. Pome orangish yellow or orangish red when mature, nearly globose, 3–8 mm in diam.; sepals persistent, erect. Fl. Mar–May, fr. Aug–Nov. Distribution and habitat : Pyracantha crenulata distributed from the Himalayas to Philippines . It grows in slopes, valleys, among shrubs, open forests; 200‒1700 m . Phenology :—Flowering from April to May, fruiting from September to December. Additional specimens examined: see APPENDIX.