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Published In: Flora 50: 181. 1867. (Flora) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/22/2011)
Acceptance : Accepted
Project data     (Last Modified On 3/23/2011)

Ditrichum species in Central America have broad costae and may be confused with Campylopodiella, which also has erect capsules and filiform peristome teeth. Campylopodiella differs in having lax basal cells and a distinctive costal cross-sectional morphology (see discussion under that genus). The lax basal cells of Trematodon aid in separating sterile collections of it from Ditrichum. Without sporophytes Ditrichum is nearly inseparable from Dicranella. The tendency for some species of Dicranella to have subquadrate basal cells is the best means of recognizing sterile collections of Dicranella.


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Ditrichum Hampe, Flora 50: 181. 1867.

Plants small to medium sized, loosely tufted, simple or sparsely branched. Leaves lanceolate or ovate-lanceolate, acuminate to setaceous, erect or clasping at base; costa single, strong, subpercurent or excurrent; cells smooth; upper cells oval, quadrate to linear; lower cells rectangular to linear; alar cells undifferentiated. Setaeelongate; capsules erect or inclined, cylindrical; annuli large, compound, frequently persistent; opercula conic or conic-rostrate; stomata present; peristome of 16 teeth split nearly to the base into 2 filiform, terete, divisions. Calyptrae cucullate, smooth, entire.


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