Table 1.

The morphological characteristics of eight Physospermopsis species.

Taxa	Bracts	Bracteoles	Fruits	Leaf shape	Ribs	Stems	Umbels
Physospermopsis delavayi	lanceolate or oblong	lanceolate	broadly ovoid, with obvious cordate base	winged, obovate-orbicular	filiform	branched above	7–13
P. alepidioides	lanceolate or oblong	ovate-lanceolate,entire	ovoid, with obscure cordate base	entire, obovate-lanceolate	prominent	branched above	5–14
P. muliensis	leaf-like	lanceolate, entire	broadly ovoid or ovoid	narrowly winged, pinnatifid	relatively prominent, with scattered warts	branched above, slender	7–18
P. rubrinervis	leaf-like	leaf-like, with purplish margin	ovoid, with slightly cordate base	triangular, with purple-red nerves	prominent	branched above, dark purple	6–17
P. shaniana	leaf-like	leaf-like, with purplish margin	ovoid, with slightly cordate base	narrowly winged, pinnatifid	prominent,with small warts	branched at the base, reduced	6–15
P. obtusiuscula	leaf-like	ovate-oblong	ovoid to broadly ovoid	ovate-oblong, pinnatisect	with narrowly winged, sinuolate	branched at the base, dark purple-green	5–20
P. kingdon-wardii	leaf-like	leaf-like, with purplish margin	broadly ovoid	ovate-oblong, pinnatisect	prominent, sinuate, with sparse minute warts	reduced, often acaulescent	5–11
P. nana	leaf-like	leaf-like, with membranous margin	broadly ovoid	linear-lanceolate	prominent, narrowly sinuolate-winged	reduced, slender	4–13