Comprehensive Description
(
anglais
)
fourni par North American Flora
Macromitrium punctatum (Hook. & Grev.) Brid
Bryol. Univ. 1: 739. 1826.
Orthotrichum punctatum Hook. & Grev. Edinb. Jour. Sci. 1: 119. 1824.
Schlotheimia brachyrhyncha Schwaegr. Suppl. 2 2 : 53. 1826.
Macromitrium contextum Hampe; Triana & Planch. Ann. Sci. Nat. V. 4: 331. 1865.
Macromitrium Sumichrasti Duby, Mem. Soc. Phys. Hist. Nat. Geneve 19: 297. 1868.
Macromitrium refiexifolium Mitt. Jour. Linn. Soc. 12: 211. 1869.
Macromitrium liberum Mitt. Jour. Linn. Soc. 12: 214. 1869.
Macromitrium Sartorii C. Mull. Linnaea 38: 641. 1879.
Plants cespitose; secondary stems 2-3 cm. long, sparingly branched; leaves loosely appressed with contorted-crisped upper portions when dry, spreading-reflexed when moist, 2 mm. or more long, oblong-lanceolate to ligulate, strongly keeled, the margins entire below except for frequent hyaline teeth at the base, more or less reflexed, often rugulose above, -strongly dentateserrate at and near the broadly acute to obtuse apex ; costa percurrent to very shortly excurrent ; upper leaf -cells subcircular, bulging, very incrassate, 5-7 p in diameter, below the middle gradually elongating to the narrowly linear basal-marginal cells, which are mostly smooth; median basal cells occupying % the base of the leaf, oblong, 2-4 times as long as broad, grossly tuberculate-papillose, all very incrassate; a small area of smooth, hyaline, rather thinwalled cells often present near the costa at the insertion; perichaetial leaves ovate-lanceolate, entire to denticulate near the apex, the costa not excurrent, the leaf -cells elongate; dioicous; seta up to 1 cm. in length; capsules obovoid, thickest in the middle, the neck short, smooth to plicate depending on age and condition, the urn less than 2 mm. long; calyptra smooth (in the type); operculum rostrate; peristome double, the outer of 16 rather truncate, more or less united teeth, the inner a membrane of varying height.
Type locality: Brazil.
Distribution: Mexico; Central and South America; the West Indies.
- citation bibliographique
- North American flora. vol 15A (1). New York Botanical Garden, New York, NY
Macromitrium punctatum: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Macromitrium punctatum là một loài Rêu trong họ Orthotrichaceae. Loài này được (Hook. & Grev.) Brid. mô tả khoa học đầu tiên năm 1826.
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Bài viết liên quan đến họ rêu Orthotrichaceae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. 
