Structure of Porella (With Diagrams) - Biology Discussion.
Discover Life's page about the biology, natural history, ecology, identification and distribution of Porella platyphylla - Jungermannia platyphylloidea -- Discover Life.
Porella platyphylla - Jungermannia platyphylloidea.
Sagittaria platyphylla, the delta arrowhead, broad-leaf arrowhead or delta duck-potato, is a plant species native to the eastern United States.The core of its range extends from central Texas to the Florida Panhandle north to southern Illinois.Isolated populations have been reported from Washington State, Missouri, Kansas, Ohio, Kentucky, Pennsylvania, West Virginia, eastern Virginia, North.
Porella platyphylla - Cambridge Botanic Garden.
Porella navicularis. and calyptra (C) encasing the sporangium, non-fertilized archegonia (A), sporangial jacket, and a spore-bearing layer containing spores and elators. When mature, the sporangium opens along four lines of dehiscence and to disperse spores. This photo shows a dehisced sporangium with the spores and elators already released. Elators are located amongst spores, and aid in.
Type Porella - Occurrence, Structure and Reproduction.
Porella platyphylla is a typical member of the genus. The leaves (i.e. the lobes of the leaves and the underleaves) are entire or at most with some sporadic muticous teeth. The lower lobes are a bit broader than the stem and are decurrent (what can't be seen on the picture). They may be a bit dentate at the sides. The cells of the leaves contain about 20-30 small oil bodies.
Porella platyphylla (L.) Pfeiff. in India and scanning.
TYPE PORELLA. Occurrence. It grows on moist rocks. It also occurs on shaded sides of tree trunks. It forms dense mats closely covering the substratum. Some are aquatic and grow in cool waters. General structure. Plant body is gametophyte. It is composed of three parts: I. Stem: The mature plant consists of a slender dorsoventral stem. it.
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Plants Profile for Sagittaria platyphylla (delta arrowhead).
Betula platyphylla, commonly called white birch or sometimes Asian white birch, is native to Manchuria, Korea and Japan. It is closely related to B. pendula. It is a medium to large sized tree that typically grows to 30-40’ (less frequently to 70’) tall with a pyramidal habit. This tree is noted for its white bark, thin spreading branches and slightly pendant branchlets. Ovate, glabrous.
Essay on Bryophytes: Meaning, Distribution and Habitat.
Sagittaria platyphylla. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Jul. 15. USDA, ARS, Germplasm Resources Information Network. Sagittaria platyphylla in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed on 08-Apr-12.
Betula platyphylla - Plant Finder - Missouri Botanical Garden.
Betula platyphylla is a deciduous Tree growing to 20 m (65ft 7in) at a fast rate. It is hardy to zone (UK) 5. It is in flower from April to May, and the seeds ripen in September. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils.
Betula platyphylla White Birch, Asian white birch, PFAF.
Invited essay: New frontiers in bryology and lichenology - The nature and distribution of vegetative desiccation-tolerance in hornworts, liverworts and mosses. Article (PDF Available) in The.
Crassula Platyphylla Variegata - Rare Succulent.
Betula platyphylla is a tall tree which sprouts very early. It has an irregularly oval to linear crown that is rather wide and open. Mature specimen can attain a height of 15 - 20 m. The trunk and main branches are very white. The bark peels in thin plates. The fresh green leaves are ovoid to diamond-shaped and become 5 - 8 cm large, the leaf margin is coarsely toothed and has an acuminate tip.
Sagittaria platyphylla in Global Plants on JSTOR.
Sagittaria (Sagittaria platyphylla) is sometimes grown as an ornamental plant in garden ponds and water features. Naturalised Distribution. This species is widely naturalised, but scattered, in southern and easatern Australia. It is most common in the irrigation areas of northern Victoria and southern New South Wales. Also becoming common in the coastal districts of New South Wales and.