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FOC | Family List | FOC Vol. 18 | Orobanchaceae | Phacellanthus

1. Phacellanthus tubiflorus Siebold & Zuccarini, Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(3): 141. 1846.

黄筒花 huang tong hua

Phacellanthus continentalis Komarov; Tienmuia triandra Hu.

Plants 5-11 cm tall, glabrescent. Stems erect, solitary or clustered, unbranched. Leaves ovate-triangular or narrowly so, 5-8(-10) X 3-4 mm, margin slightly membranous, apex acute. Bract 1.5-2.3 cm X 5-8 mm, apex acuminate or subobtuse. Corolla white or pale yellow, 2.5-3.5 cm; tube 2.5-3 cm; lobes subequal, oblong, ca. 3 X 2 mm. Filaments 1.2-1.4 cm, sparsely pubescent on lower part; anthers ca. 1.8 mm. Ovary ellipsoid-globose. Style 1.3-1.6 cm, glabrous. Capsule 1-1.4 cm X 5-8 mm. Seeds ovoid, 0.3-0.4 X ca. 0.2 mm; testa reticulate. Fl. May-Jul, fr. Jul-Aug.

Slopes, forests; 800-1400 m. Gansu, Hubei, Hunan, Jilin, Shaanxi, Zhejiang [Japan, Korea, Russia (Far East)].

Parasitic on species of Fraxinus Linnaeus.

An examination of the type of Tienmuia triandra reveals that it is indistinguishable from Phacellanthus tubiflorus. The bracts were mistaken for sepals in the original description of the former.

After publication of the family treatment for the Flora of China, this species was recorded in Taiwan (S. W. Chung et al. 2010. Bot. Stud. 51: 531-536).


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