Bryophytes (Mosses, Liverworts, and Hornworts) • Earth.com

Porotrichum mutabile

(Porotrichum mutabile)

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Description

Porotrichum mutabile is a leaf species described by Georg Ernst Ludwig Hampe in 1862. Porotrichum mutabile is part of the genus Porotrichum and the Neckeraceae family. Plants medium-sized, dendroid, light green to golden green, shiny. Stems forming stipe perpendicular to substrate, usually pinnate to sparsely branched distally; paraphyllia absent. Secondary stem and branch leaves erect, ovate-oblong, asymmetric, flat; margins serrate, teeth straight; apex acute; costa single, , tapering toward apex; basal and medial laminal cells rectangular, walls not porose. Sexual condition dioicous; perichaetial inner leaves broadly lanceolate-subulate. Seta to 2.5 cm. Capsule oblong-ovoid; exostome teeth lanceolate, external surface with strongly projecting lamellae, usually papillose; endostome basal membrane high, segments papillose to sparsely papillose. Spores 13 -m.Species ca. 40 (1 in the flora): w North America, Mexico, West Indies, Central America, South America, Asia, Africa, Pacific Islands (New Zealand).

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Bryophyta
Class: Bryopsida
Order:Leucodontales
Family:Neckeraceae
Genus:Porotrichum
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