Salix suchowensis W.C. Cheng in Cheng et al., Sci. Silvae Sin. 8(1): 4. 1963

He, Li, Liao, Shuai, Applequist, Wendy & Chen, Shipin, 2019, The valid publication of Salix suchowensis (Salicaceae), PhytoKeys 131, pp. 27-35 : 32-33

Salix suchowensis W.C. Cheng in Cheng et al., Sci. Silvae Sin. 8(1): 4. 1963 Figures 1 , 2 , 3

Lectotype

(designated here). CHINA. Jiangsu: Nanjing, Arboretum of Nanjing Forestry University, 26 March 1954, C.T. Yang 20640 (NF barcode 04801063!, ♀; isolectotypes: NF barcodes 04801045!, 04801047!, 04801048!, 04801051!, 04801060! & 04801068!, ♀, NF barcode 04801064!, ♂). - For image of lectotype, see Fig. 2 .

Shrubs. Branches yellowish-green or purplish-red, glabrous; branchlets sparsely tomentose at first, becoming subglabrous. Buds glabrous. Stipules linear to lanceolate, 0.96 –1.42(– 2.5) cm; petiole 0.3-1 cm, margin remotely glandular dentate, pubescent to glabrous; leaf blade lanceolate, 5.17-12.25 × 0.63-1.7 cm, abaxially pale, both surfaces glabrous, tomentose when young, adaxially dull green, base cuneate, margin glandular denticulate, apex shortly acuminate; lateral veins diverging from midvein at 45-90°. Catkins before leaves emerge, densely flowered. Male catkin terete, 2.2-4 cm × 0.4-0.67 cm, sessile or subsessile, with scale-like leaflets at base; rachis grey tomentose. Female catkin up to 3.43 cm at maturity, sessile or subsessile, with scale-like leaflets at base. Floral bracts long obovate, abaxially villous, apex obtuse-rounded, purple black distally. Male flower: glands adaxial; stamens 2, connate throughout, anthers yellow or reddish-purple. Female flower: ovary conical, densely grey tomentose, ovules 3-7; stipe short to absent; style conspicuous; stigma 2-cleft. Capsule pilose.

Phenology.

Flowering from March to April and fruiting in April and May.

Habitat. Along rivers, stream-sides, or cultivated; near sea level to 900 m a.s.l.

Distribution.

Beijing, Hebei, Henan, Jiangsu, Shandong, N Zhejiang.

Additional material examined.

-CHINA. Beijing: Miyun County, Dajiaoyu, 5 May 1951, Y. Liu 1507-8 (PE); Yudu Mountain, 900 m a.s.l., 11 June 2019, F.Y. Guo, Y.M. Wu & D. Liu G2019061105 (BJFC). Hebei: Daming County, Dongcao, 100 m a.s.l., 3 June 1972, Han 165 (PE). Henan: Song County, Xiasi, 25 September 1956, Henanshenglinyeting 1217 (PE). Jiangsu: Nanjing, Arboretum of Nanjing Forestry University, 12 April 1954, C.T. Yang 20645 (NF); ibidem, 26 May 1956, R.B. Chen s.n. (NF); Xuanwu Road, 19 May 1956, C.T. Yang 10045 (NF). Shandong: Gudao, Huanghenongchang, 16 July 1959, T.Y. Zhou 5412 (NAS). Zhejiang: Zhuji, Paitou, 24 September 1934, Y.X. He 2952 (NAS).

Figures

Figure 1. Salix suchowensis: C. T. Yang 20640 (NF barcode 04801064!, ♂, isolectotype).

Figure 2. Salix suchowensis: C. T. Yang 20640 (NF barcode 04801063!, ♀, lectotype), renumbered 20641 in herbarium.

Figure 3. Salix suchowensis: A branchlet and leaf blades adaxially B female catkin C male catkin D leaf blades abaxially (photo credit: A, D by L. He B, C by Feiyi Guo).