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FOC | Family List | FOC Vol. 5 | Viscaceae | Arceuthobium

2. Arceuthobium pini Hawksworth & Wiens, Brittonia. 22: 267. 1970.

高山松寄生 gao shan song ji sheng

Plants greenish yellow or greenish, 5-15(-20) cm tall. Branches opposite, rarely 3-4-verticillate; internodes 5-15 mm, base of dominant shoots 1.5-2.5 mm in diam. Scale leaves 0.5-1.5 mm. Male flowers solitary or paired, terminal on branchlets, yellow, subglobose in bud, ca. 1 mm, 2-2.5 mm in diam. at flowering, with cupular bract; pedicel ca. 0.5 mm; perianth lobes 3(or 4), ovate or elliptic, 1-1.5 mm. Anthers circular, ca. 0.5 mm. Female flower solitary, axillary or terminal on branchlets, greenish, ovoid in bud, ca. 1 mm; perianth tube ca. 0.8 mm. Style red. Fruiting pedicel 1.5-2 mm. Berry ellipsoid, 3-4 × 2-2.5 mm, basal portion greenish yellow. Fl. Apr-Jul, fr. next year Sep-Oct.

* Coniferous or mixed forests, mountain slopes; 2600-3500(-4000) m. SW Sichuan, Xizang, NW Yunnan.

The plants are parasitic on Pinus densata, P. griffithii, and P. yunnanensis.


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