학명: Salix nummularia Andersson(한국의나무, FOC)
* 국생지의 학명 Salix rotundifolia Trautvetter는 잘못된 학명이다. Salix rotundifolia 는 북미산의 별개의 종이다 (차이점 아래 참조)
분류: 버드나무과
중국어명: 多腺柳
사진: 2018.07.08 백두산 서파
FOC 설명
Salix nummularia Andersson in A. de Candolle, Prodr. 16(2): 298. 1868.
多腺柳 duo xian liu
(학명 이명)
Salix polyadenia Handel-Mazzetti; S. polyadenia var. tschanbaischanica (Y. L. Chou & Y. L. Chang) Y. L. Chou; S. tschanbaischanica Y. L. Chou & Y. L. Chang.
(설명)
Shrubs procumbent, dwarf; bark russet. Branches to 80 cm, (2-)10 mm thick; branchlets yellowish brown, pilose when young, glabrescent. Buds oblong-ovoid, 2-3 mm, glabrous. Stipules present; petiole ca. 3 mm, pilose when young, glabrescent; leaf blade obovate-elliptic, suborbicular, or elliptic, 0.5-1.7 × 0.5-1.5 cm, leathery, abaxially green, villous when young, glabrescent, adaxially dull green, base rounded or rounded-cuneate, margin entire, apex rounded, obtuse, or retuse. Flowering coetaneous(잎과 동시에 나오는). Catkins terminal. Male catkin ovoid, ca. 8 mm, 10-20-flowered; bracts yellowish brown, orbicular, ca. 1 mm, long pubescent. Male flower: glands 2, 0.3-0.4 mm, adaxial gland ovate or orbicular, sometimes 2-cleft, abaxial gland 2- or 3-parted or entire; stamens 2, distinct, glabrous. Female catkin 5-8 mm, 10-20-flowered; bracts as in male catkin. Female flower: adaxial gland usually 2- or 3(or 4)-lobed, ca. 2 × as long as stipe, abaxial gland shorter than adaxial gland; ovary sublanceolate, apex acuminate, 3-4 mm, glabrous; stipe ca. 1 mm,
elongated in fruit; style ca. 0.5 mm; stigma 4-lobed. Fl. Jul, fr. Jul.
Alpine tundra; 2200-2600 m. Jilin (Changbai Shan) [Russia].
The Chinese record in FRPS of the the NW North American species Salix rotundifolia Trautvetter is referable to S. nummularia.
* Flora Reipublicae Popularis Sinicae (Flora of China project)
FLora of North America 설명
Salix nummularia Andersson in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 16(2): 298. 1868.
Coin-leaf willow
(학명 이명)
Salix nummularia subsp. tundricola (Schljakov) Á. Löve & D. Löve
(설명)
Plants 0.01-0.03 m, (dwarf), forming clones by layering.
Stems trailing; branches yellow-brown or red-brown, glabrous; branchlets yellow-brown or red-brown, pubescent, pilose, or glabrescent.
Leaves: stipules absent or rudimentary; petiole 1.5-2 mm (glabrous or pubescent adaxially); largest medial blade (2 pairs of secondary veins arising at or close to base, arcing toward apex) broadly elliptic, subcircular, broadly ovate, or elliptic, 9-22(-30) × 7.5-14(-19) mm, 1.2-2 times as long as wide, base rounded, subcordate, cordate, or convex, margins flat or slightly revolute, entire or serrulate, apex convex, rounded, or retuse, abaxial surface glabrous, adaxial highly glossy, glabrous; proximal blade margins entire or serrulate; juvenile blade pilose or puberulent abaxially.
Catkins: from lateral buds; staminate (3-8 flowers), 3.2-6.6 × 2-5.2 mm, flowering branchlet 0.8-4.6 mm; pistillate loosely flowered (3-5 flowers), shape indeterminate, 7.5-13 × 3-10 mm, flowering branchlet 0.5-10 mm; floral bract tawny, 0.6-1.4 mm, apex rounded or truncate, entire, abaxially glabrous or sparsely hairy.
Staminate flowers: abaxial nectary (0.3-)0.5-0.7 mm, adaxial nectary narrowly oblong or oblong, 0.7-1.1 mm, nectaries distinct, or connate and cup-shaped; filaments distinct or connate less than 1/2 their lengths, glabrous; anthers ellipsoid, 0.4-0.5 mm.
Pistillate flowers: abaxial nectary (0-)0.6-0.9 mm, adaxial nectary narrowly oblong or oblong, 0.6-1.4 mm, longer than stipe, nectaries connate and shallowly cup-shaped; stipe 0-0.7 mm; ovary pyriform, glabrous, beak slightly bulged below styles; ovules 8-10 per ovary; styles 0.2-1 mm; stigmas flat, abaxially non-papillate with rounded tip, or broadly cylindrical, 0.2-0.27-0.32 mm.
Capsules 3.5-7.5 mm. 2n = 38.
FNA의 기재문을 요약한 콩버들 Salix nummularia 와 Salix rotundifolia의 차이
| Salix |
콩버들 nummularia |
rotundifolia |
| 형태 |
지면을 기면서 뿌리를 내린다 |
직립하고 근경으로 번식한다 |
| 수고 |
0.01-0.03 m |
0.005-0.05 m |
| 가장 큰 잎 |
9-22(-30) × 7.5-14(-19) mm: 길이는 폭의 1.2-2 배 정도 |
1.9-16.3 × 3-10.5 mm: 길이는 폭의 0.84-1.17(-2.53) 배 정도, |
| 화서 |
측아에서 나온다 |
subterminal bud에사 나온다 |