Tectaria brachiata (Zoll. & Moritzi) C.V.Morton

Family

Tectariaceae

Nomenclature

Tectaria brachiata (Zoll. & Moritzi) C.V.Morton, Contr. U.S. Natl. Herb. 38: 217. 1973; Holttum, Fl. Males., Ser. II, Pterid. 2: 70. 1991; Boonkerd & Pollawatn, Pterid. Thailand: 211. 2000. – Aspidium brachiatum Zoll. & Moritzi, Natuur- Geneesk. Arch. Ned.-Indië 1: 399. – Type: Zollinger 655, Java (G; iso L).

Description

Description Holttum, Fl. Males., Ser. II, Pterid. 2: 70. 1991.
Rhizome short, suberect, scales to 5 mm long, medium brown, irregularly fringed with irregular hairs when young; fronds strongly dimorphic. Sterile frond: stipe to 20 cm long, light castaneous, scaly near base only, short-hairy distally; lamina to 25 cm long, pinnae to 3 pairs; basal pinnae to 15 cm long, the largest bearing 1 pair of entire pinnules, rest of pinna deeply lobed near its base only; suprabasal pinnae shallowly lobed to subentire with rounded to subcordate base; apical lamina deltoid with few broad entire lobes; both surfaces minutely hairy on costae and main veins, marginal hairs on upper surface very few and short; veins amply anastomosing, with many free veinlets, some branched, in areoles. Fertile frond: stipe to 50 cm long; lamina as sterile but all parts much contracted; basal pinnae to 10 cm long; sori all on free veinlets in areoles, impressed, with large thin entire indusia .

Distribution in Thailand

PENINSULAR: Nakhon Si Thammarat, Satun.

Wider Distribution

Malesia, N Australia.

Ecology

In Malesia recorded from non-limestone rocky places.

Proposed IUCN Conservation Assessment

Least Concern (LC). This species is widespread and not under any known threat.

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