Bergera tetramera (C.C.Huang) F.J.Mou, 2023

Mou, Feng-Juan, Hu, Xiu, Ha, Bui Thu & Cuong, Nguyen Manh, 2023, Taxonomic revision of Bergera J. Koenig ex L. (Rutaceae) based on the molecular phylogeny and morphology, European Journal of Taxonomy 860, pp. 141-180 : 171-173

Bergera tetramera (C.C.Huang) F.J.Mou , comb. nov.

urn:lsid:ipni.org:names:77314674-1

Fig. 13

Murraya tetramera C.C.Huang, Acta Phytotaxonomica Sinica 8 (1): 102, pl. 13 ( Huang 1959). – Type: CHINA • Yunnan, Mangshi (Luxi); H. T. Tsai 57277; lectotype: PE [00022518] image!; isolectotypes: PE [00022517] image!, IBSC [0409247]!, NAS [ NAS00071351 ] image!. Designated here .

Etymology

The specific epithet refers to the 4-merous flowers.

Material examined

CHINA • Yunnan Province; 1933; H. T. Tsai 57277; NAS image!, PE image!, A image ! • H. T. Tsai 57287; KUN!, SWFC!, NAS image!, PE image!, A image ! • H. T. Tsai 57525; KUN!, PE image!, A image ! • H. T. Tsai 57453; KUN ! • 20 Oct. 1933; H. T. Tsai 56249; KUN!, NAS image ! • 23 May 1940; C. W. Wang 89515; KUN!, IBSC!, PE image ! • Yanshan ; 26 Oct. 1932; H. T. Tsai 51453; NAS image!, PE image ! • 19 Sep. 1939; C. W. Wang 83565; KUN!, IBSC!, PE image ! • 83595; KUN!, IBSC!, WUK image!, PE image ! • 24 Oct. 1939; C. W. Wang 83520; KUN!, WUK image!, PE image ! • 30 Oct. 1939; C. W. Wang 83555; KUN!, PE image ! • Bayao ; 6 Nov. 1939; Q. W. Wang 84818; KUN!, PE image ! • Xinghua ; 5 Nov. 1958; H. T. Tsai 589112; KUN ! • 18 Jun. 1964; S. Z. Wang 775; KUN ! • 2 Oct. 2016; F. J. Mou 547; SWFC ! • Malipo ; 20 Feb. 1940; C. W. Wang 86992; KUN!, PE image ! • Tingting; 23 Sep. 1947; K. M. Feng 11965; KUN!; PE image!, A image ! • 22 Nov. 1947; K. M. Feng 13555; KUN! A image ! • Tungting ; 18 Nov. 1947; K. M. Feng 13367; KUN! A image ! • Xichou, Yaobang ; 27 Dec. 1939; C. W. Wang 86068, 86094; KUN!, PE image ! • Fadou ; 16 Nov. 1960; Q. A. Wu 90; KUN ! • 3 Jun. 1964; S. Z. Wang 650; KUN ! • 14 Dec. 1964; Q. A. Wu 10013, Z. W. Lin 685; KUN ! • 8 Oct. 2011; Q. R. Liu & S. Y. Meng 2011-10-122; BNU image ! • Nanchang ; 10 May 1959; Q. A. Wu 5093; KUN ! • Mengla, Yiwu ; 9 Sep. 1959; S. J. Pei 10092; KUN ! • Mengyuan ; 21 Jun. 1973; P. Z. Zhu 8650; HITBC!; IBSC ! • 31 May 1982; Expedition 32673; HITBC ! • 9 Dec. 1982; Expedition 34392; HITBC ! • Jinghong, Jinuo ; 1 Jun. 1961; Y. H. Li 3309; HITBC ! • 7 Dec. 1961; Y. H. Li 3716; HITBC ! • 31 Jul. 1977; G.D. Tao 15722; HITBC!, PE image ! • Menghai ; 20 Apr. 1959; Z. D. Wang 57991; KUN ! • Jianshui ; 16 Mar. 1941; S. E. Liu 018293; PE image ! • Ning’er, Dehua ; 28 Jan. 1991; G. D. Tao 44127; HITBC ! • Mengzi; A. Henry 9651 D; L image!, LE image ! • A. Henry 9651; LE image ! • 27 Nov. 2016; F. J. Mou 558; SWFC ! • Mile, Xi’er , Nuozu ; 29 May 1990; Investigation group of plant resources in Mile County 400; KUN ! • Shilin, Naigu ; 30 Oct. 2016; F. J. Mou 548; SWFC ! • Eshan, Chahe; Jan. 1979; Yüxi Plant Expedition s.n.; KUN ! • 17 Dec. 2012; J. Cai et al. 12 CS5744 ; KUN ! • Yimen; 6 Agu. 2018; F. J. Mou 640-2; SWFC ! • Lanping ; 19 Sep. 1964; S. G. Wu 8980; KUN ! • 5 Nov. 2006; T. Zhang et al. SCSB-B-000208; KUN ! • Weixi; 6 May 1960; Anonymous 8658; KUN ! • Fugong, Pihe; 30 May 1978; Bijiang Expedition 0252; KUN ! • Fugong, Pihe ; 2 Feb. 2017; F. J. Mou 562; SWFC ! • Guizhou Province, Anlong; 20 May 1960; Z. S. Zhang & Y. T. Zhang 3703; IBK ! • 20 May 1960; Guizhou Expedition 3730; IBSC ! • 12 Mar. 2009; F. J. Mou 233; IBSC ! • Longshan ; 9 Jun. 1960; Z. S. Zhang 3183; IBSC!, HGAS image ! • 12 Jun. 1960; Guizhou Expedition 4346; IBSC ! • 23 Jun. 1960; Guizhou Expedition 5758; IBSC ! • Pingle ; 23 Apr. 2014; C. Y. Deng 522328140423700 LY; GZTM image ! • Xishui ; 10 Apr. 2003; C. W. Wu 1153; PE image ! • 9 May 2003; 1192; PE image ! • Renhuai; 16 Apr. 2003; X. L. Wang & M. T. An 2130; PE image ! • 14 May 2003; X. L. Wang 2166; PE image ! • Xingyi; 7 Aug. 1959; Anshun Expedition 867; KUN ! • 869; HGAS image ! • 26 Jul. 1960; Guizhou Expedition 6547; IBK!, IBSC!, NAS image ! • Xingren ; 4 Dec. 1980; C. Z. Dang 80526; HGAS image ! • Libo ; 8 May 1981; M. Z. Yang 810258; HGAS image ! • Wangmo; 23 Apr. 1960; Guizhou Expedition 1221; IBSC ! • 8 Nov. 1986; Longtan Expedition 00751; IBK ! • Zhenfeng ; 8 Oct. 1982; D. J. Liu 622; HGAS image ! • 23 Oct. 1982; D. J. Liu 847, 848; HGAS image ! • Huishui, Heping ; 16 Oct. 2010; F. L. Zou ZouFL0155; KUN !.

Description

Small trees, 3–7 m high. Branches, leaves pedicel and peduncle covered sparsely with hairs, becoming glabrous later; strongly fragrant. Leaves are 5–11-foliolate; leaflet blades narrowly lanceolate, 2–5 × 0.8–2.0 cm, usually yellow-green, becoming dark brownish-black and oil glands slightly swelling when dry, slightly asymmetrical or symmetrical at the base, and apex acuminate; petiolules 2–4 mm, reddish usually. Inflorescences are terminal cymes. Flowers are white; 4-merous; sepals ovate, less than 1 mm, connate at base; petals white, oblong, 4–5 mm, and revolute when open. Stamens are 8, alternate with long and short, filaments ca 4 mm long and slim. Ovaries are ellipsoid, ca 1 mm; styles ca 2 mm long. Fruits are reddish, globose, 1.0– 1.2 cm in diam., with many oil glands, brown after drying, 1–3-seeded. Seed coats are membranous and smooth.

Phenology

Flowering between March and April, while fruiting from July to August.

Distribution and habitat

China: W Guangxi (Baise and Debao), SW Guizhou (Anlong), Yunnan (Yanshan, Funing, Wenshan, Xichou, Malipo, Jinghong, Mengla, Menghai, Ninger, Menglian, Eshan, Yuanyang, Yuanjiang, Mengzi, Jianshui, Mile, Weixi, Lanping, Fugong, and Mangshi). Often growing at the sunny top of limestone hills.

Remarks

Morphologically, this species is relative to B. euchrestifolia , but the plants are characterized with heavier smell and flowers are 4-merous stably. Two species have different distributions.

Figures

Fig. 13. Bergera tetramera (C.C.Huang) F.J.Mou comb. nov. A. Plants. B. Inflorescence. C. Flowers. D–E. Infructescence. Photos taken by Jian Huang and Feng-Juan Mou in China.