papery scales

Listing 1 - 10 from 37 for papery scales

Betula nigra L.
... Deciduous tree up to 20 m high. Bark conspicuous on old plants, with pinkish or reddish-brown papery scales. Twigs reddish too. Leaves ovate or rhombic, 3-8 cm long, 2.5-6 cm ... shiny green above, whitish, glaucous and pubescent on veins beneath. Fruiting catking brownish, cylindrical with hairy scales. Very hardy. Home: Center and East of USA Other views: Bark, Trunk Cultivated: France and Germany ...
www.biologie.uni-ulm.de

river birch, Betula nigra
... Includes: no synonyms Tree to 20 m (65 ft) tall and 50 cm (18 in) diameter, with irregular spreading crown, often leaning over water from a riverbank. Bark shiny pinkish-brown or silvery-gray, separating into papery scales, becoming thick, rough, and shaggy on older trunks and branches. Twigs slender, reddish brown, hairy when young, buds pointed, ...
www.biosurvey.ou.edu

VT Forestry I.D. Cards - sweet birch
... pubescent. No wintergreen odor when cut. Bark:Smooth on young trees, salmon to rust colored; developing papery scales, exfoliating horizontally with several colors (creamy to orangish-brown) visible; later developing coarse ... covers less than 1/3 of the nut and is quite thin and flattened; cap scales are orange-brown, appressed and slightly pubescent; matures after two years, ripens in the fall. ...
www.cnr.vt.edu

Betula nigra fact sheet
... early spring. Fruit: Cone like, 1 to 1 1/2 inches long, with many hairy scales, containing tiny, 3-winged seeds. Twig: Slender, orangish-brown in color, smooth or slightly pubescent, ... odor when cut. Bark: Smooth on young trees, salmon to rust colored. On older trees, developing papery scales, exfoliating horizontally with several colors (creamy to orangish-brown) visible. Later developing coarse ...
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Get Growing Gardening Tips 75- Leaves
... that produce leaves can be distinguished from one another by their leaves alone. In addition many plants such as lilies, some aquatic plants, ferns and pine trees produce on the same plant different forms of leaves , including papery scales. The variety of shapes, sizes and textures of the leaves seems to be infinite. Some of the smaller duckweeds have ...
www.devonian.ualberta.ca

CSSA Newsletters #14
... in black and white). The revision is considerable and includes lots of new photos and new names (for instance, the split of Anacampseros into the typical species with visible leaves and the new genus Avonia which has papery scales covering them). The genus Adenuim is still presented as having 12 species with 4 in Southern Africa, a view not universally held. ...
www.labs.agilent.com

Angiosperm Families - Asclepiadaceae R.Br.
... Calyx lobes markedly longer than the tube. Calyx regular; imbricate, or valvate; with the median member posterior. Corolla 5; 1 whorled; appendiculate (with a corona, simple or of separate scales, in only Gymnema, Leptadenia, Oxystelma), or not appendiculate (mostly); gamopetalous (the tube short). Corolla lobes about the same length as the tube, or markedly longer than the tube. Corolla contorted ...
delta-intkey.com

Athyriaceae [First Draft]
... 11 cm long, less than 1 mm thick, chestnut-coloured, bearing a few of brown lanceolate scales at base, upwards glabrate; laminae lanceolate, 4--10 cm long, 1.3--3 cm broad, ... and a little swollen at base, clothed with a few scales, upwards pale stramineous, glabrate, grooved adaxially; laminae narrowly lanceolate, near papery, gradually narrowed towards two ends, pinnate-pinnatifid, with scattered ...
hua.huh.harvard.edu

HEMIONITIDACEAE [First Draft]
... fibrous scales. Blade broadly lanceolate, (8--)12—20 X 2.5—5 cm, pinnate-pinnatifid, gradually tapered to pinnatifid apex, thin papery, adaxially brownish green, glabrous, abaxially densely covered with reddish brown, pellucid, ovate-lanceolate scales; rachis and costae sparsely clothed with small subulate-lanceolate scales. Pinnae (6--)10—16 pairs, obliquely patent, ovate-deltate or somewhat ...
hua.huh.harvard.edu More from this site

Trees Part 4
... cover most of the leaf area. The blotches and spots are irregular, distortion of leaves,and papery texture are diagnostic characteristics. Late in the growing season dark pustules, formed by the fungus, ... bulges in the leaf tissue with some cupping and twisting. The fungus overwinters on the bud scales. Infection will occur if the weather is cool and rainy during leaf emergence. The initial flush ...
plantpathology.tamu.edu