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Flora of Taiwan | Family List | Primulaceae | Lysimachia

Lysimachia ardisioides Masamune, J. Soc. Trop. Agric. 4: 302. 1932; Kao & Devol, Fl. Taiwan 4: 72. pl. 916. 1978; Hu & Kelso, Fl. China 15: 51. 1996.


Lysimachia ardisioides

Credit: HAST

  • Lysimachia sikokiana Miquel

    Erect perennial herb up to 15-50 cm high; stolons creeping. Stem terete or somewhat angled, covered with minute glandular hairs. Leaves alaternate, oblong-ovate to elliptic, 3-13 cm long, 1-4 cm wide, acuminate at apex, cuneate at base, dark brown above, pale below, thew margins entire, the petioles 5-15 mm long, usually confinded to the upper part of plant. Flowers yellow, axillary, solitary; pedicles 3-5 cm long; the bracts linear-lanceolate 2-4 mm long; calyx deeply cleft, 5-lobed, the lobes ovate, acuminate, minutely glandula-ciliolate within; corolla deeply parted, the lobes ovate or lanceolate, 7-15 mm long, 3-5 mm wide, acute at apex; stamens 5, shorter than the petals; anthers 3-5 mm long, opening by pores; ovary glabrous, style 4-6 mm long. Capsules globose, white, 4-6 mm in diameter, with persistent style, longitudinally dehiscent; seeds black. Flowers: Apr.-Jun.

    TAIPEI: Peichatienshan, Liao 366; Yangmingshan, Peng 10825. ILAN: Nanao, Peng 13799; Chinyang, Chen 664. TAOYUAN: Lalashan, Yang 6756. HSINCHU: Chienshih, Wang 8344. MIAOLI: Tapachienshan, Peng 8455; Luchang, Chen 631. TAICHUNG: Wuling Farm, Peng 7999; Anmashan, Kuo 7792. NANTOU: Kuankao, Peng 8108; Chito, Peng 5391. CHIAYI: Alishan, Leu 165; Fenchihu, Lin 103. KAOHSIUNG: Taoyuan, Wang 1016; Maolin, Wang 9682. PINGTUNG: Peitawushan, Peng 13283; Chachayalaishan, Liao 194. TAITUNG: Lanyu Is, Peng 6708; Tawu, Kao 6110. HUALIEN: Taroko Natl. Park, Leu 65; Mukwashan, Kao 4182.

    Endemic, in broad-leaved forest ranging from 500 m to 2,700 m in elevation throughout Taiwan.

    Phenology: perennial

    Life form: herb, subshrub

    Root: rooting at node or not: not rooting at node

    Stem: present

    Stem: type: erect

    Stem: shape: terete, angled

    Stem: indumentum: minute glandular hairs

    Leaf: position: cauline

    Phyllotaxy: alternate

    Leaf: petiole: petiolate

    Leaf: petiole length (mm): 5-15

    Leaf: blade shape: ovate, elliptic, oblong

    Leaf: blade apex: acuminate

    Leaf: blade base: cuneate

    Leaf: blade margin: entire

    Leaf: blade surface: glabrous

    Leaf: blade texture: membranaceous

    Leaf: blade length (mm): 30-130

    Leaf: blade width (mm): 10-40

    Inflorescence: solitary

    Inflorescence: position: axillary

    Scape: absent

    Bract: absent

    Calyx: shape: 5-parted

    Sepal: shape: ovate

    Sepal: margin: ciliolate

    Sepal: length (mm): 2-4

    Sepal: width (mm): 1.2-1.8

    Corolla: color: yellow

    Corolla: shape: rotate

    Lobe: margin: entire

    Lobe: length (mm): 7-15

    Lobe: width (mm): 3-5

    Filament fused into a ring or not: filament fuse to a ring

    Filament inserted position: base of corolla lobe

    Filament: indumentum: glabrous

    Filament and anther relative length: filament obviously shorter than anther

    Stamens protruding from corolla or not: Stamens protuding from corolla

    Capsule: dehiscence type: longitudinal

    Distribution: mid elevation


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