Chrysosplenium

Choi, Ji-Eun, In, Kyung-Ho, Kim, Bong Seok, Kim, Kyeonghee, Kim, Jin-Seok, Kim, Yong-In & Lim, Byoung Yoon Lee and Chae Eun, 2020, A new distribution record of Chrysosplenium grayanum Maxim. (Saxifragaceae) in Korea: Evidence from morphological and molecular data, Journal of Species Research 9 (1), pp. 46-55 : 53-54

Key to taxa of Chrysosplenium modified from Kim (2007)

1. Leaves alternate. 2. Leaves heterophyllous; sterile branches developed;

caluline and bracteal leaves 2-5 lobed ·····················

···································· C. flagelliferum (Oinjệḍṻ) 2. Leaves isophyllous; sterile branch absent; cauline and bracteal leaves not lobed with 8-12 teeth.

3. Stolons present; bracteal leaves bright yellow at flowering; seed surface smooth······························

························· C. alternifolium (ṄDZHỌệḍṻ)

3. Stolons absent; bracteal leaves greenish yellow at flowering; seed surface minutely papillose············

········································ C. japonicum (üệḍṻ) 1. Leaves opposite. 4. Sepals green, spreading; capsules cup-shaped ········· ·········································· C. ramosum (ḣmệḍṻ) 4. Sepals yellow, erect; capsules horn-shaped. 5. Plants glabrous or pubescent at some parts. 6. Plants glabrous; stamens 4 (-6); cylindrical papillae with roundish head at the tip on smooth seed

········································· C. grayanum (ệḍṻ) 6. Plants glabrous except petiole of rosette leaves;

stamens 8; cylindrical papillae with truncate tip on scabrous seed surfaces ···································

································ C. pseudofauriei (flệḍṻ) 5. Plants pubescent at all parts. 7. Seeds without tubercules. 8. Leaves of sterile branches congested at distal end, with white variegated veins on upper surface······················· C. flaviflorum (șǖệḍṻ) 8. Leaves of sterile branches distantly arranged,

with silvery dotted upper surface ······················

······························· C. epigealum (njǜệḍṻ)

7. Seeds with tubercules.

9. Seed tubercles arranged on inconspicuous lon-

gitudinal ridges.

10. Sterile branches highly branched, ca. 30 cm long after fruiting; leaves of sterile branches with silvery dots, upper surface glabrous; bracteal leaves yellowish-green ··················· ················ C. ramosissimum (ḣmfflệḍṻ)

10. Sterile branches unbranched, less than 15 cm long after fruiting; leaves of sterile branches without silvery dots, upper surface pilose; bracteal leaves bright yellow ··············· ························· C. valdepilosum (Ṟệḍṻ)

9. Seed tubercles arranged on prominent longitu-

dinal ridges.

11. Leaves of sterile branches distantly arranged after fruiting; bracteal leaves golden yellow, greenish yellow at flowering ························· ··········· C. aureobracteatum (ḋƚợệḍṻ)

11. Leaves of sterile branches congested at distal end after fruiting; bracteal leaves green at flowering············ C. barbatum (Üfflệḍṻ)