Northeastern Asian Flora
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Lonicera chrysantha Turcz. ex Ledeb.  
Family: Caprifoliaceae
[Caprifolium chrysanthum (Turcz.) Kuntze, moreCaprifolium gibbiflorum (Rupr.) Kuntze, Lonicera chrysantha f. crassipes (Nakai) S.L.Tung, Lonicera chrysantha f. villosa Rehder, Lonicera chrysantha subsp. gibbiflora (Rupr.) Kitag., Lonicera chrysantha var. crassipes Nakai, Lonicera chrysantha var. latifolia Korsh. ex Uyeki, Lonicera chrysantha var. linearifolia S.W.Liu & T.N.Ho, Lonicera chrysantha var. longipes Maxim., Lonicera gibbiflora (Rupr.) Dippel, Lonicera longipes (Maxim.) Pojark., Lonicera xylosteum var. chrysantha (Turcz.) Regel, Xylosteon gibbiflorum Rupr. & Maxim.]
Lonicera chrysantha image
Chin Sung Chang
  • Korea Flora
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Korea Flora: Description: Deciduous shrub, 3-4m tall. Winter buds ovoid, apex acute, with 15-16 brown scales, densely long-pubescent; elongated buds well-developed. Pith hollow.Leaves spathulate or ovate-elliptic, 5-12 × 2.5-6.0cm; apex acuminate, base rounded or broadly cuneate; margins entire; adaxially with yellow hairs becoming glabrous; abaxially densely pubescent on veins and margins; petioles 3-7mm long.Flowers axillary; peduncles 15-25mm long, pubescent and glandular; bracts equal to or longer than ovary, glandular with bracteoles. Calyx 5-toothed, pubescent; corolla pale yellow or changing from white to yellow, 15-20mm long, pubescent; tube short, base laterally spreading, upper lip divided to middle. Stamens and style pubescent; ovary ovoid, glandular.Fruit ovoid-globose, red; seeds 3-3.5mm long.

Chromosome number: 2n = 18
Flowering early May to early June
Fruiting early to mid-October.
Distribution: Northern and northeastern China, Russian Far East, eastern Hokkaido (Japan); North and South Hamgyeong-do, North and Pyeongannamdo-do, Gangwon-do to Jeollanamdo-do, mainly along Baekdudaegan.
Taxonomic notes: Sometimes misidentified as L. chrysantha due to long peduncles or fruit stalks. Distinguished from L. chrysantha by: hollow stem pith (vs. solid), very short petioles, abundant yellow pubescence throughout plant, separate ovaries, and distribution mainly along Baekdudaegan (vs. L. chrysantha with solid pith, relatively long petioles, early-deciduous leaf pubescence, partially fused lower ovaries, and southern distribution).

Lonicera chrysantha
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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