Lysimachia dabieshanensis, Liu & Zhou & Chen & Hong, 2014

Liu, Kun, Zhou, Shou-Biao, Chen, Yan-Song & Hong, Xin, 2014, Lysimachia dabieshanensis sp. nov. (Primulaceae), a new species from Dabieshan Mountain, China, Phytotaxa 174 (2), pp. 119-122 : 121-122

Key to Lysimachia dabieshanensis and related species in Lysimachia series Elatae

1. Leaves whorled at lower nodes of stem ............................................................................................................................ L. klattiana

- Leaves opposite at lower nodes of stem .............................................................................................................................................2

2. Flowers terminal, in capitate clusters or rarely with flowers in axils of lower leaves .......................................................................3

- Flowers solitary and axillary or in terminal racemes .........................................................................................................................4

3. Leaves petiolate pedicel 1–1.5 cm; plants glabrescent........................................................................................................ L. brittenii

- Leaves sessile .......................................................................................................................................................... L. dabieshanensis

4. Leaf blade connate-perfoliate........................................................................................................................................... L. perfoliata

- Leaf blade not connate-perfoliate.......................................................................................................................................................5

5. Leaf blade 15–25 × 3–6 mm; flowers 5–6 mm ......................................................................... L. melampyroides var. brunnelloides - Leaf blade 30–90 × 5–25 mm; flowers 7–9 mm ................................................................................................................................6

6. Leaves petiolate....................................................................................................................... L. melampyroides var. melampyroides

- Leaves sessile, clasping at base................................................................................................. L. melampyroides var. amplexicaulis