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Published In: Utkast till en Naturlig Gruppering af Europas Bladmossor 29. 1878. (Utkast Eur. Bladmoss.) Name publication detail

Project Name Data (Last Modified On 2/16/2011)
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Project data     (Last Modified On 2/16/2011)

Molendoa is a genus of small, yellow-green to glaucous-green mosses having a stem central strand, lateral perichaetial, and a costa in cross-section with two stereid bands as well as a ventral epidermal layer of enlarged, smooth cells. Many of these features, however, are variable and sometimes difficult to demonstrate. The genus is similar to Anoectangium, and when considered on a world-wide basis the two genera are especially difficult to separate (see Zander 1993). In Central America Anoectangium can be distinguished from Molendoa by its more acute, strongly keeled leaves that have a single (dorsal) stereid band in the costa. Zander (1977) provided an in-depth treatment of the genus in Middle America.


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Molendoa Lindb., Utkast Nat. Grupp. Eur. Bladmoss. 29. 1878.

Plants small, tufted, often glaucous. Stems erect, sparsely and irregularly branched, sclerodermis and central strand present, rhizoids moderately developed below. Leaves linear-lanceolate, plane to broadly grooved, erect at base, appressed-incurved above when dry, spreading to recurved when wet, unistratose or bistratose along the margins; apices acute; margins entire, sinuolate or crenulate, plane or weakly recurved below; costa subpercurrent to percurrent, guide cells and two stereid bands present, ventral surface layer of 1–2 cells, enlarged, smooth; upper cells irregularly shaped, short-rectangular, quadrate to oblate, firm-walled, occasionally weakly porose, pluripapillose, papillae low, simple, granular, centered or scattered, occasionally fused into a single massive papilla, basal cells subrectangular, firm-walled, at times porose near costa, alar cells not differentiated. Perichaetia lateral. Setae elongate. Capsules cylindrical; stomata in neck; opercula rostrate; peristome absent. Calyptrae cucullate.

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