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podetium (noun, pl. podetia) – a stalk formed directly as an extension of the hypothecium, i. e., a stalk derived from hyphae of apothecial origin (usually the hypothecium and stipe), rising from a primary thallus and often bearing apothecia or pycnidia, often hollow; frequently becoming secondarily invested with an algal layer and cortex (as in Cladonia); varying from short and not branched to tall and richly branched; lichenized, i. e., a stem-like portion (cf. stipe, discopodium) bearing a hymenial disks and sometimes conidiomata in a fruticose apothecium (cf. Ahti, Lichenologist 14: 109. 1982). Related terms: branch, stipe, pseudopodetium, stalk, stem, trunk.

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