The name Andreaea vilocensis Broth. (Andreaeaceae, Bryophyta) from Bolivia is lectotypified. Description is provided along with figures.
Andreaea vilocensis Broth. in Herzog (1916), an uncommon moss, was described on the basis of two collections from Bolivia by T. Herzog, viz 3189 and 3190. During the study of Andean species of Andreaea Hedw. collections in JE both syntypes were found (JE04000679 and JE04000680).
In the protologue, V. F. Brotherus did not designate the holotype (Herzog 1916). Hence, it is necessary to select a lectotype for the species name (ICN2018 Art. 8.1; Turland et al. 2018).
Formal treatment
Andreaea vilocensis Broth. Biblioth. Bot. 87(1): 9, 1916 (Herzog 1916) (Fig. 1–2)
Original citation
Hochtal Viloco, Quimzacruz no. 3189, 3190.
Lectotype (here designated); Bolivia, Hochtal Viloco, Herzog 3189 (JE04000679 https://www.jacq.org/detail.php?ID=160335; isolectotypes W 1914-0004181 [digital image!] https://w.jacq.org/W19140004181, PC0657736 [digital image!] https://science.mnhn.fr/institution/mnhn/collection/pc/item/pc0657736?listIndex=&listCount=728; synlectotype Herzog 3190 JE04000680 https://www.jacq.org/detail.php?ID=160335).
Note
Plants medium sized to large, red-brown to dark-purple. Stem 40–70 mm high. Axillary hairs 2 celled, brownish, 40–50 µm. Leaves (0.9–)1.0–1.3(–1.5) × 0.3–0.5(–0.6) mm, appressed to imbricate when dry, erect-patent when wet, squarrose, concave, panduriform to oblong lanceolate, more rarely, ovate lanceolate, with strongly incurved margins in the upper tiers of the leaves, cucullate and incurved apex. Costa absent. Lamina unistratose, papillose in the back; upper and mid cells ± isodiametric, polygonal to subquadrate, oblates in the margins. Basal cells short to long rectangular, with ± thick longitudinal walls, frequently pitted, sometimes nodose. Basal marginal cells mostly rectangular, sometimes subquadrate.
Bolivia, renowned for its rich biodiversity, is home to several Andreaea species that remain little known, because they have not been studied since their description (Suárez 2024). However, A. vilocensis shares its habitat with some well-documented species. Among them, the costate species stand out, which include A. nitida Hook.f. & Wilson, characterized by ovate-oblong to elliptical leaves with obtuse-rounded apices and a short, wide costa; and A. subulata Harv., distinguished by its long, filiform, falcate leaves and elongated costa. In contrast, the ecostate species comprise A. acutifolia Hook.f. & Wilson, recognized by its reddish coloration, long lanceolate, clearly vaginate vegetative leaves; and A. rupestris Hedw., identifiable by its blackish appearance and lanceolate leaves. Andreaea vilocensis is an ecostate species characterized its red-brown to dark-purple coloration, panduriform to oblong lanceolate leaves with laminal cells papillose on the dorsal side.
Acknowledgements
The authors are grateful with the staff of JE for making specimens available for study. This research was supported by a DAAD scholarship, the Argentinian National Council for Scientific and Technical Research (CONICET, PIP 0177) and Research Project of the National University of Tucumán PIUNT G744.
© 2024 The Authors. This is an Open Access article
