taxonID	type	description	language	source
74EA866E7C025E968E6E6C707FDBB0BA.taxon	description	Figs 2, 3	en	Liu, Pei-Liang, Xun, Lu-Lu, Su, Chun, Lu, Yuan, Li, Bin, Yue, Ming (2025): Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China. PhytoKeys 266: 267-280, DOI: 10.3897/phytokeys.266.170977
74EA866E7C025E968E6E6C707FDBB0BA.taxon	diagnosis	Diagnosis. This new species is similar to A. monadelphus, A. xitaibaicus and A. neomonodelphus by having yellow petals, pseudomonadelphous androecium, and stipitate legumes, but can be distinguished by its stem 0.9 – 1.5 mm in diameter; leaflets 5 – 7, hairy adaxially and abaxially; calyx teeth triangular, ca. 0.5 mm long; standard 17 – 20 mm long; wings 18 – 21 mm long; keels 17 – 20 mm long; pistil glabrous; legume glabrous, with a stipe 10 – 11 mm long (Table 1).	en	Liu, Pei-Liang, Xun, Lu-Lu, Su, Chun, Lu, Yuan, Li, Bin, Yue, Ming (2025): Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China. PhytoKeys 266: 267-280, DOI: 10.3897/phytokeys.266.170977
74EA866E7C025E968E6E6C707FDBB0BA.taxon	description	Description. Perennial herbs, 20 – 30 cm tall; main root 6 – 10 mm in diameter. Stems cespitose, ascending, unbranched, slightly zigzag, slender, 0.9 – 1.5 mm in diameter; internodes sparsely pubescent or glabrous. Leaves imparipinnate, alternate, 7 – 11 cm long; stipules free, often reflexed, lanceolate or ovate, 6 – 9 × 1 – 3 mm, brown or green, glabrous; rachises sparsely pubescent or glabrous; leaflets 5 – 7, opposite; petiolules 1.0 – 1.5 mm long, pubescent; leaflet blades ovate or oblong, 15 – 30 × 7 – 15 mm, with white appressed simple hairs adaxially and abaxially, base wide cuneate or rounded, apex retuse or obtuse. Peduncles axillary, 3 – 8 cm long, sparsely pubescent or glabrous; racemes with 9 – 15 flowers; pedicels 4 – 5 mm long, sparsely pubescent; bracts lanceolate, 7 – 9 × 1.5 – 2.5 mm, glabrous. Calyx 6 – 7 mm long, inner side of calyx teeth with brown hairs, other parts of calyx glabrous; calyx teeth 5, triangular, equal, ca. 0.5 mm long. Petals light yellow; standard obovate, 17 – 20 × 7 – 8 mm, apex retuse or rounded, base attenuate; wings 18 – 21 × 1.8 – 2.0 mm, auricle narrowly triangular, ca. 1 mm long, claw 11 – 14 mm long; keels 17 – 20 × 2.5 – 3.0 mm, auricle triangular, ca. 0.8 mm long; androecium pseudomonadelphous, 18 – 21 mm long, the vexillary stamen (the single stamen which is close to the standard) is attached to other nine fused filaments at middle, and free from the fused filaments at base and apex; pistil 17 – 21 mm long, glabrous, stipe 7 – 10 mm long, style 4 – 5 mm long. Legume glabrous, with a stipe 10 – 11 mm long, inflated, unilocular, outline lanceolate, 18 – 22 mm long (excluding stipe), 5 – 6 mm wide. Seeds black-brown, 3.5 – 4.0 × 2.0 – 2.5 mm.	en	Liu, Pei-Liang, Xun, Lu-Lu, Su, Chun, Lu, Yuan, Li, Bin, Yue, Ming (2025): Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China. PhytoKeys 266: 267-280, DOI: 10.3897/phytokeys.266.170977
74EA866E7C025E968E6E6C707FDBB0BA.taxon	distribution	Distribution and habitat. Astragalus zibaishanensis is distributed on the north slope of Mt. Zibaishan in Fengxian County, Shaanxi, China (Fig. 4). It grows on stony slope in forest, 2300 – 2400 m a. s. l.	en	Liu, Pei-Liang, Xun, Lu-Lu, Su, Chun, Lu, Yuan, Li, Bin, Yue, Ming (2025): Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China. PhytoKeys 266: 267-280, DOI: 10.3897/phytokeys.266.170977
74EA866E7C025E968E6E6C707FDBB0BA.taxon	etymology	Etymology. The epithet zibaishanensis derives from the type locality of the new species, Mt. Zibaishan (紫柏山). The Chinese vernacular name for this new species is 紫柏山黄耆 (zǐ bǎi shān huáng qí).	en	Liu, Pei-Liang, Xun, Lu-Lu, Su, Chun, Lu, Yuan, Li, Bin, Yue, Ming (2025): Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China. PhytoKeys 266: 267-280, DOI: 10.3897/phytokeys.266.170977
