Parmotrema madagascariaceum (Hue) Hale

Data Set Maintenance: Data set standard item. Data set author(s): Nash T.H. Data set reviewer(s): Nash T.H.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Parmotrema. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Type: Parmelia madagascariacea Hue.

Taxonomic Literature: Hue 1899 Hale 1974.

Biogeography: Pantropical; submontane. Continent: Africa and Southern America. Checklist records: Mexico and Sonoran Desert.

Ecology: Biotroph; lichenized; corticolous.

Thallus: Foliose, subdivided into main parts, and secondary or without secondary parts, irregular, continuous throughout, lobed; lobes elongate, horizontal; plane; branches applanate (moderately flattened); separate thallus parts 8-10-12 mm wide. Thallus Size and Differentiation: 8-14-20 cm in diameter; apex rounded. Upper Surface: Lime green, plane, matt, smooth; not fissurate; not foveate; immaculate; epruinose; not pseudocyphellate; ciliate; cilia slender, marginal; isidiate; isidia central or laminal, cylindrical, ramified, coralloid; without isidiomorphs; not papillate, not pustulate; not sorediate; not tuberculate; not lobulate. Lower Surface: Present, black, black in the centre, brown along the margin; attached by holdfasts; not cyphellate; not wrinkled; rhizinate; rhizines sparse, with a broad non-rhizinate margin, black, not branched, irregularly branched; not tuberculate.

Upper Cortex: Double-layered.

Reproduction Strategy: Only known as sterile, asexually reproducing form.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Present; only in the upper part of the cortex, throughout the cortex, or throughout the thallus medulla, protolichesterinic acid, metabolite(s) of unresolved identity: present.

Spot Tests: Cortex: KC – medulla: K –, C –, KC + red, PD –.

(report generated 04.Okt.2007)