Selliguea pui Hovenkamp
Selliguea pui Hovenkamp, Edinburgh J. Bot. 68: 265. 2011. – Crypsinus cruciformis auct. non (Ching) Tagawa: Tagawa & K.Iwats., Fl. Thailand 3: 559, f. 56.4–5. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 266. 2000. – Selliguea cruciformis auct. non (Ching) Fraser-Jenk.: Lindsay & Middleton, Edinburgh J. Bot. 66: 356. 2009.
Rhizome long creeping, about 1–2 mm diam., densely scaly throughout; scales peltate, slightly spreading, light grey to pale brown, oblong with paler long tails, 4–5 by 1 mm, entire, dentate at apex. Stipes 1–4 cm long, stramineous, phyllopodia short, densely scaly, scales similar to those on rhizome. Laminae trilobed, or very rarely simple or 5- to 9-lobed, 5–15 by (2.2–)3.5–10.3 cm; the terminal lobes large, gradually narrowing from base to moderately acute apex, up to 8 by 2 cm; lateral lobes patent or slightly ascending, oblong or subdeltoid, rounded at apex, up to 5 by 1.7 cm, entire at margin; midrib raised on both surfaces; main veins, or often main branches of them also, dark on upper surface, raised on both surfaces, not straight, the other veins hardly visible, anastomosing; papyraceous, light green, paler beneath, glabrous. Sori one between adjacent main veins, in a single row at half-way between midrib and margin of lobes, in round or elliptic shallow cavities up to 2 mm diam., raised on upper surface.
Distribution in Thailand
NORTHERN: Chiang Mai, Chiang Rai, Uttaradit, Phitsanulok.
Endemic in Thailand.
On mossy tree trunks in evergreen forests on ridges at high altitudes, rather rare.
Proposed IUCN Conservation Assessment
Voucher specimens - Thailand
Palee 243, Chiang Mai (CMU); Middleton et al. 4873, Chiang Mai, Doi Suthep, near summit (E); Maxwell 97-1409, Chiang Rai (CMU); Norsaengsri & Intamusik 6222, Uttaradit (QBG); Suksathan 1704, Phitsanulok (QBG).
Lower surface of frond
Site hosted by the Royal Botanic Garden Edinburgh. Content managed by Stuart Lindsay, Gardens by the Bay, Singapore and David Middleton, Singapore Botanic Gardens. Last updated 16 November 2016.