Pteris (brake) is a genus of about 300 species of ferns in the subfamily Pteridoideae of the family Pteridaceae. [1] [2] They are native to tropical and subtropical regions, southward to New …

井栏边草（ Pteris multifida Poir.），是凤尾蕨科凤尾蕨属多年生草本植物。根茎短而直立，被黑褐色鳞片；叶密而簇生，不育叶柄较短，禾秆色或暗褐色，具禾秆色窄边；叶片卵状长圆形，尾 …

2023年1月4日 · There are 250 to 300 species of Pteris commonly called Table, Ribbon, or Brake Ferns. Brake is a middle English word for fern and is the singular form of bracken fern, which …

2024年10月8日 · Pteris, a cosmopolitan fern, displays a remarkable distribution across nearly all geographical regions. This extensive range highlights its adaptability and resilience in diverse …

凤尾蕨属（学名： Pteris L. ）是 凤尾蕨科 多年生常绿草本。株高30～70厘米，根状茎直立，顶端具钻形叶片，叶簇生，分为不育叶和孢子叶两种类型，叶柄细，具三棱，黄褐色，叶椭圆至卵 …

2024年11月9日 · Pteris are either terrestrial or lithophyte and usually are distributed at lower altitudes. Pteris is represented by about 300 species that grow abundantly in the tropical and …

This is a cosmopolitan fern being distributed in almost all geographical regions. Pteris however, prefers tropical and sub-tropical climates. Plants usually grow in well drained places or in the …

In this article we will discuss about the structure and reproduction in Pteris. Sporophyte: The main sporophytic plant body is differen­tiated into root, rhizomatous stem and leaves (Fig. 7.102A). …

pteris - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. 1. Pteropsida are vascular plants commonly known as ferns that reproduce via spores contained …

2018年1月1日 · In the present study, based on molecular data of eight plastid markers and one nuclear marker (gapCp) of 256 accessions representing ca. 178 species of Pteris, we …