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FOC | Family List | FOC Vol. 2-3 | Hymenophyllaceae

7. Vandenboschia Copeland, Philipp. J. Sci. 67: 51. 1938.

瓶蕨属 ping jue shu

Plants mostly epiphytic. Rhizome stout, long creeping, usually with brown multicellular hairs. Lamina pinnately compound, entire, not thickened at margin. Sori terminal on veinlets; involucres projecting from fronds, tubular to cup-shaped, entire at mouth; receptacles projecting, filiform.

About 35 species: tropics and subtropics of both the Old and New Worlds; seven species (two endemic) in China.

Excluded taxa

Vandenboschia subclathrata K. Iwatsuki, Acta Phytotax. Geobot. 17: 70. 1958.

琉球瓶蕨 liu qiu ping jue

Crepidomanes subclathratum (K. Iwatsuki) K. Iwatsuki; Trichomanes subclathratum (K. Iwatsuki) C. V. Morton.

Plants 6-10 cm tall. Rhizome ca. 0.3 mm in diam., irregularly branching, densely covered with brown to dark brownish hairs, with sparse rootlets. Stipes remote, 1-2 cm apart, 0.5-5 cm, winged nearly to base, wings often sharply crisped. Rachis and costae both winged throughout, wings sharply crisped. Lamina bipinnate to tripinnatifid, ovate to subdeltoid, membranous and transparent; pinnae 4-10 pairs, ovate, 2-4 × ca. 1 cm; ultimate segments narrow, less than 1 mm wide, margin entire, apex rounded to ± acute. Sori terminal on ultimate segments; involucres cup-shaped, tubular, or campanulate, with narrow wings; lips broader, truncate; receptacles long projecting.

On wet moss-covered rocks in open valleys or along streams in dense evergreen forests. ?Hainan [Japan].

1 Fronds sessile or nearly so   (2)
+ Stipes at least 1 cm   (3)
2 (1) Lamina bipinnate to tripinnatifid, rachis broadly winged.   4 V. fargesii
+ Lamina 1-pinnate to bipinnatifid, rachis wingless or very narrowly winged.   1 V. auriculata
3 (1) Rachis wings sharply crisped.   5 V. lofoushanensis
+ Rachis wings flat or slightly crisped   (4)
4 (3) Mouth of involucres distinctly dilated   (5)
+ Mouth of involucres not dilated, or sometimes slightly dilated   (6)
5 (4) Stipes less than 5 cm; basal pinnae: 3 or more pairs strongly shortened.   3 V. cystoseiroides
+ Stipes more than 10 cm; basal pinnae: 1 or 2 pairs shortened.   6 V. maxima
6 (4) Fronds commonly less than 20 cm; rhizome slender, ca. 1 mm in diam..   2 V. kalamocarpa
+ Fronds more than 20 cm; rhizome thick, usually more than 1.5 mm in diam..   7 V. striata

Lower Taxa


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