Stellaria abaensis, H. F. Xu & Z. H. Ma, 2018

Xu, Han-Feng & Ma, Zhong-Hui, 2018, Stellaria abaensis (Caryophyllaceae), a new species from China, Phytotaxa 383 (1), pp. 48-54 : 52

Identification key to Stellaria abaensis and related taxa

1. Petal apex 2-cleft to 1/3 of sepals................................................................................................................................ S. wushanensis

– Petal apex 2-cleft to base....................................................................................................................................................................2

2. Stem glabrous.....................................................................................................................................................................................3

– Stem pilose.........................................................................................................................................................................................4

3. Stamens 5, sessile ........................................................................................................................................... S. media var. micrantha

– Stamens 10, long petiolate.................................................................................................................................................. S. abaensis

4. Stem quadrangular..............................................................................................................................................................................5

– Stem terete..........................................................................................................................................................................................6

5. Leaf margin ciliate, pedicel and sepals glabrous........................................................................................................... S. reticulivena

– Leaf margin entire, pedicel with white soft hair, sepals sparsely pubescent..................................................................... S. nemorum

6. Flowers solitary, axillary, petal apex 2-lobed................................................................................................................ S. arisanensis

– Flowers cymes in sparse, terminal or axillary, petal apex 2-cleft to base..........................................................................................7

7. Stamens 3–5, seeds semiglobose-tuberculate or curved reticulate......................................................................................... S. media

– Stamens 8–10, seeds sparse conical papillae...................................................................................................................... S. neglecta