Table 2 in Four new species of Gesneriaceae from Yunnan, Southwest China

Table 2. Morphological comparison among Petrocosmea tsaii sp. nov., Petrocosmea kerrii Craib var. kerrii and Petrocosmea menglianensis H. W. Li.
CharactersP. tsaiiP. kerrii var. kerriiP. menglianensisLeaf bladeshape and sizeelliptic or ovate to widely ovate; 1.5-10.5 × 1.2-8.2 cmelliptic to rhombic-elliptic or ovate, 1.8-13.5 × 1.2-8.5 cmelliptic to elliptic-ovate, 7.5-8.5 × 5-6 cmmargincrenatedentateirregularly dentateBasesometimes oblique, rounded to subcordate,usually oblique, broadly cuneate to roundedoblique, rounded to cuneateApexacute to roundedbroadly acute to obtuse, rarely roundedbroadly acute to obtuseindumentumsadaxially sparsely pubescent to puberulous, abaxially densely villousadaxially and abaxially densely hirsute to densely puberulentadaxially rust-brown pubescent, abaxially rust-brown pubescent along midrib and lateral veinsBractsovate to broadly ovate, or somewhat leaf like, 8-19 × 6-18 mmlanceolate, ca. 2.0 × 0.5 mmsubulate to lanceolate, 3-4 × 1.0-1.5 mmCalyxаctinomorphiczygomorphicactinomorphicCorolla colourbluish purplewhitewhiteThroat of corolladark bluish purplewhite with yellow blotchesblackishFilaments1.5-2.0 mm, with short glandular hairs near baseca. 1.2 mm, puberulentca. 1 mm, puberulentAnthersovoid to ellipsoid, 3.0-3.5 mm long, apex brevirostrateellipsoid, ca. 3 mm, apex brevirostratebroadly ellipsoid, ca. 3 mm, apex brevirostrateOvarysparsely pubescent and with yellow glandular hairssparsely puberulentminutely villousStylesparsely with yellow glandular hairs at basesparsely puberulent near baseglabrousFloweringSeptember to OctoberApril to MayAugust to October