Ophioglossaceae
Ophioglossaceae, from Ancient Greek ὄφις (óphis), meaning "snake", and γλῶσσα (glôssa), meaning "tongue", also known as the '''adder's-tongue family, is a small family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only family in the order Ophioglossales''', which together with the Psilotales is placed in the subclass Ophioglossidae. The Ophioglossidae are one of the groups traditionally known as eusporangiate ferns. Members of the family differ from other ferns in a number of ways. Many have only a single fleshy leaf at a time. Their gametophytes are s
Species
låsbräkenväxter
FAMILY
- KingdomPlantae
- PhylumTracheophyta
- ClassPolypodiopsida
- OrderOphioglossales
- FamilyOphioglossaceae
瓶爾小草科（学名：Ophiogiossaceae）是一種蕨類。有著由孢子囊形成的短壽型孢子，誕生於和葉片分開的葉柄上；以及肥大的根。許多物種一年只會長成一片蕨葉。而有少數的物種只有能生育的穗，而非一般所謂的葉片。瓶爾小草目的配子體是在地底下的。其孢子不會在陽光之下生長，且配子體可以在不形成孢子體的狀態下存活兩個世紀之久。莖短直立狀、肉質；葉片通常亦為肉質狀，幼葉不卷旋，孢子囊枝以一定的角度著生於營養葉上。絕大多數為地生型，少數著生於樹幹，或為濕地植物。分布世界各地，但不常見，全世界僅有3屬80種。 ^ Genera Tropicos.org. Missouri Botanical Garden. 15 Jan 2012 取自“https://zh.wikipedia.org/w/index.php?title=瓶爾小草科&oldid=50731157” 分类： 瓶尔小草目 植物科名 隐藏分类： 物种微格式条目 含有拉丁語的條目
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Article
6 sectionsContents
- Description
- Taxonomy
- History of classification
- Subfamilies and genera
- References
- External links
Ophioglossaceae, from Ancient Greek ὄφις (óphis), meaning "snake", and γλῶσσα (glôssa), meaning "tongue", also known as the '''adder's-tongue family, is a small family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only family in the order Ophioglossales', which together with the Psilotales is placed in the subclass Ophioglossidae. The Ophioglossidae are one of the groups traditionally known as eusporangiate ferns. Members of the family differ from other ferns in a number of ways. Many have only a single fleshy leaf at a time. Their gametophytes are subterranean and rely on fungi for energy.
==Description== thumb|upright|Botrychium lunaria Members of Ophioglossaceae are usually terrestrial (excepting a few epiphytic species of Ophioglossum) and occur in both temperate and tropical areas.