아스플레니움 쿤베르기 쿤제-Asplenium thunbergii Kunze

아스플레니움 쿤베르기 쿤제

Asplenium thunbergii Kunze

Description

Epiphytic or lithophytic. Rhizome short, suberect; scales subdeltoid with acuminate apex, up to 3 by 0.8 mm, dark brown to nearly black and clathrate in central portion, pale brown, thin-walled at edges with irregular small projections at margin. Stipes up to 7 cm long, green to brownish, minutely scaly or glabrescent. Laminae bipinnate-tripinnatifid, elliptic in outline, moderately acute at apex, subtruncate at base, up to 20 by 6 cm; rachis with the wings curved upwards and continuous to lamina; cf. apical, terminal)." class="glossaryitem" style="color: rgb(51, 51, 51); text-decoration: none;" href="https://rbg-web2.rbge.org.uk/thaiferns/factsheets/index.php?g=lateral#lateral">lateral pinnae about 15 pairs, shortly stalked with narrowly winged stalks, elliptic, round to obtuse at apex, auricled at acroscopic base, subdimidiate at basiscopic base, up to 4 by 1.5 cm; costa winged and just like the ultimate segments which are narrowly lanceolate, oblique, up to 7 by 1.2 mm, rounded at apex, entire, basal acroscopic ones once or twice forked, one-nerved, chartaceous, glabrous. Sori along veins, occupying posterior half of ultimate segments; indusia thin but firm, persistent, reaching the margin of segments, thus apparently bilobed opening outwards.

Distribution in Thailand

PENINSULAR: Phangnga, Nakhon Si Thammarat, Yala.

Wider Distribution

Indochina and W Malesia.

https://rbg-web2.rbge.org.uk/thaiferns/factsheets/index.php?q=Asplenium_thunbergii.xml