Differentiating features of Caragana in Mongolia

	C. pygmaea	C. leucophloea	C. stenophylla
shrub/ height	to 0.50 cm	up to 1.5 m	to 0.80 m
bark	bright golden	pale yellow	brownish-greyish-green
leaflets	mostly grayish pubescent linear-lanceolate	glabrous beneath narrowly obovate	glabrous beneath linear-lanceolate to linear
ovary	densely pubescent	glabrous or appressed pubescent	glabrous
legume/length	pubescent when young, 2-3 cm	glabrous, 3-3.5 cm	glabrous, 2-2.5 cm
unguis of wing	~ 1/3 as long as limb	~ 1/3 as long as limb	~ 1/2 as long as limb
auricle of unguis	short	~ 2/3 as long as unguis	~ 1/4-1/2 as long as unguis

data compiled by: S. Rilke & S. Starke