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FOC | Family List | FOC Vol. 14 | Ericaceae | Gaultheria

2. Gaultheria dumicola W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 9: 106. 1916.

丛林白珠 cong lin bai zhu

Shrubs erect, 0.6–2(–3) m tall. Twigs terete, glabrous, puberulous, or densely hirsute. Leaves scattered; petiole 3–5 mm, glabrous or hirsute; leaf blade ovate to broadly ovate, orbicular-ovate, or elliptic, (4.5–)6–17 × 2.5–9 cm, leathery, glabrous or abaxially ± brown hispid, secondary veins 1 pair, arising near leaf base, arcuate-ascendant, base cuneate to rounded, rarely cordate, margin slightly revolute or plane, shallowly serrulate, glabrous or often ciliate, apex abruptly acuminate, acuminate, or caudate. Inflorescences axillary, racemose, corymbose, or pseudoumbellate, 3–10 mm, glabrous; bracts broadly ovate, 1.5–2 mm, apex acute. Pedicel 3–10 mm, glabrous or puberulous; bracteoles 2, basal, ovate-triangular, ca. 1 mm. Calyx purple, ca. 3 mm; lobes ovate, ca. 1.8 mm, glabrous, apex abruptly acuminate. Corolla reddish or pale green, urceolate-campanulate, 3–4 mm, abaxially glabrous; lobes triangular, ca. 1 mm. Filaments fusiform, ca. 1 mm, papillose; anthers ca. 1.2 mm, thecae 2-awned. Ovary pilose. Calyx at fruiting purplish black; capsule conical, 3–6 × ca. 2.5 mm. Fl. Jul–Aug, fr. Aug–Dec.

Forests, forest margins, thickets, scrub, open slopes, streamsides, dry places, rocks, roadsides; 1400–3000(–3200) m. SE and W Yunnan [Myanmar].

1 Twigs, leaves, and inflorescences glabrous.   (2)
+ Twigs, leaves, and inflorescences at least in part pubescent, hirsute or hispid.   (3)
2 (1) Leaf blade usually ovate, base cuneate to rounded.   2a var. dumicola
+ Leaf blade broadly ovate, base usually cordate or rounded-truncate, rarely broadly cuneate.   2b var. petanoneuron
3 (1) Young twigs, pedicels, bracts, and bracteoles densely puberulous; leaf blade glabrous on both surfaces.   2c var. pubipes
+ Young twigs glabrous or densely hirsute; pedicels, bracts, and bracteoles glabrous; leaf blade abaxially shortly brown hispid.   (4)
4 (3) Young twigs glabrous.   2d var. aspera
+ Young and mature twigs densely hirsute.   2e var. hirticaulis

Lower Taxa


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