Manuel of Cultivated Conifers

livre conifers

Extrait :

FOKIENIA Henry & Thomas - CUPRESSACEAE

Trees with scale-form leaves; branchlets flat and lying on an even plane ; male inflorescences in terminal cones, usualy solitary, occasionally groups of 2-3, cylindrical, 1.5-2 mm long, 1 to 1.2 mm wide, with 8-10 opposite or decussate scales, these with 3 anthers each; female flowers terminal at the tips of the youngest shoots, with 6-8 opposite scale pairs, petiole about 4 mm long; cones on 4 mm long stalks, pear-shaped, 12-18 mm long, ripening in the second year, with 12-16 woody scales, these obovate, rather thin, with short tips on the dorsal side, 2 seeds under each scale; seeds oval or more oblong, acute, with 2 very uneven wings. x = 11.-3 species in China, which have recently been reclassified as a single species. Range map with Chamaecyparis, Fig. 33.

Fokienia hodginsii (Dunn) Henry & Thomas. Tree, about 12 m high in its habitat, resembling Calocedrus macrolepis in physical characteristics, intermediate between it and Chamaecyparis in appearance; leaves scale-like, on older trees in whorls at similar height 2.5 mm long, with white stomatal lines on the inside, facial leaves oblanceolate, with triangular tips, furrowed above, leaves of young plants about 8 mm long with nearly thorn-like tips ; flowers and cones as in genus description. CIS 13 ; CB 3:85 ; DJ 46 ; LF 39. E. China ; Fukien Province, also in the provinces of Chekiang, Kwantung, Kweichow and Yunnan as well as in Vietnam; Tongking and Annam. 1909. Fig. 73. z9

F. kawai Hayata, in Tokyo Bot. Mag. 31: 116(ill.) and F. maclurei Merr. in Philipp. Jour. Sci. 21: 492 (ill.), were separated on the basis of different seed characteristics. Refuted by S.-Y. Hu and now included in F. hodginsii.

Lit. Hu, S.-Y: Notes on the Flora of China. 1. Fokienia hodginsii. jour. Arnold Arb. 32, 390-391, 1951.

<