Stellaria

Jin, Dong-Pil, Lim, Chae Eun, Sim, Sunhee, Lee, Jin Dong, Lee, Inbae & Kim, Kwuidong Jung and Jung-Hyun, 2023, New distribution record of northern lineage plant of Stellaria filicaulis (Caryophyllaceae) from South Korea, Journal of Species Research 12 (4), pp. 299-306 : 304

Key to taxa of Korean Stellaria modified from So et al. (2015) and Choi (2018)

1. Leaves at least lower ones distinctly petiolate; ovate or deltoid-ovate; hairs, simple, unbranched. 2. Styles 5········································· St. aquatica ijḇḽ 2. Styles 3.

3. Stems and pedicels glabrous; upper surface of leaves often with a few long multicellular appressed hairs ··

········································ St. diversiflora ëùṵḇḽ

3. Stems and pedicels with a longitudinal series of soft hairs; upper surface of leaves glabrous or nearly so.

4. Leaves 4 - 8 cm long; nerves of sepals obsolete······· ··············································· St. bungeana ǖḇḽ

4. Leaves 1 - 4 cm long; nerves of sepals 1. 5. Stamens 3 - 5(- 7) ··························· St. media ḇḽ 5. Stamens 8 - 10. 6. Annual; leaves sessile at the upper part of stem · ·········································· St. neglecta ĩṣḇḽ 6. Perennial; leaves petiolate at the upper part of stem······························ St. sessiliflora Ǝḵḇḽ

1. Leaves sessile or subsessile; hairs branched.

7. Stems and leaves silky pubescent; petals fimbriate······

························································ St. radians ÿḇḽ

7. Stems and leaves glabrous; petals bifid or absent.

8. Leaves oblong-lanceolate, apex obtuse to subacute ·· ······························ St. alsine var. undulata Ħụ나Ṟ

8. Leaves linear or broadly, apex acute.

9. Stem surface smooth; petals about twice longer than sepals ······························· St. filicaulis 실fiĸ

9. Stem surface slightly scabrous; petals equal to slightly longer than sepals········································ ············································ St. longifolia ŭȁḇḽ