Cryptogeal
WebThe morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied, and it appears that the carbohydrate reserve of the tuber allows seedlings to exist for several years under the low light levels of the forest floor, until a break in the canopy allows for rapid growth. The morphology of the cryptogeal germination sequence of … WebSep 1, 1994 · It provides the first record of cryptogeal germination for a member of the family Thymelaeaceae and demonstrates the habit for the first time in a woody …
Cryptogeal
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WebThe term cryptogeal was suggested for this type of germination which results in new shoots arising from below the ground even though the seed germinated on the surface. Exell … WebPlumule burying (cryptogeal germination) occurs in a number of species in widely separated families. It is suggested that this feature has arisen as a result of evolution in a habitat that has long been subject to annual burning. The problem remains as to whether the fires are to be regarded as natural or as due to the widespread use of…
Webgermination, the sprouting of a seed, spore, or other reproductive body, usually after a period of dormancy. The absorption of water, the passage of time, chilling, warming, oxygen … WebSeedling morphology of three sympatric savanna species of Byrsonima: First evidence of cryptogeal germination in Malpighiaceae and an overlooked seedling type in eudicots Author: Barbosa, Cylles Zara dos Reis, Mendonça, Maria Silvia de, Rodrigues, Rodrigo Schütz Source: Flora 2014 v.209 no.8 pp. 401-407 ISSN: 0367-2530 Subject:
WebBroader term (s) : Araucaria, Araucariaceae, Pinopsida, Pinophyta, gymnosperms, Spermatophyta, plants, eukaryotes, APEC countries, Australasia, Oceania, Commonwealth of Nations, high income countries, OECD Countries, very high Human Development Index countries, Australia Back to top Search or refine using Index terms : Show indexing terms: WebThe morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied. Individual seeds were 5-6 cm in length and 2.5-3.5 cm in diameter and had …
WebOct 1, 1996 · Both B. coccolobifolia and B. verbascifolia have cryptogeal germination, which involves characters that presumably protect the plumule from the recurrent fires they are subjected in savannas (e.g., plumule burying, cotyledonary node below the soil surface, and fusion of cotyledonary petioles). This is the first report of cryptogeal germination ...
WebThe morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied. Individual seeds were 5-6 cm in length and 2.5-3.5 cm in diameter and had an average fresh... phlegmatic compatibilityWebFeb 1, 2024 · Seeds of SinoPodophyllum hexandrum have cryptogeal morphophysiological dormancy. • Fresh seeds have underdeveloped embryo and cannot germinate in autumn. • Dormancy-breaking treatment increase germination percentage in light and darkness. • After dormancy release, seeds can germinate at low temperatures in early spring. • tst recursoWebThe morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied. Individual seeds were 5-6 cm in length and 2.5-3.5 cm in diameter and had an average fresh ... tstream editorWebAn example of cryptogeal germination in the Australian flora. Clarkson JR, Clifford HT. Australian Journal of Botany, 01 Jan 1987, 35(6): 715-720 DOI: 10.1071/bt9870715 AGR: IND87096134 . Share this article Share with email Share with twitter Share with linkedin Share with facebook ... phlegmatic complaintsWebThe Sheanut tree (Vitellaria paradoxa Gaertn.), a multi-purpose species highly valued for the oil obtained from its seeds, is commonly maintained in the semi-arid parklands of sub-Saharan West Africa. An inventory in the West Gonja District, Northern Region, Ghana, revealed that on intensively farmed land this species constituted 79.7 ± 7.2% (Basal area = … tst redemptionWebThe Sudano-Zambezian Region comprises the vast stretches of woodland, savanna and grassland vegetation with occasional dry forests and thickets, and patches of edaphically controlled swampy vegetation, in a wide zone in Subsaharan Africa around the Guineo-Congolian Region. This latter region consists mainly of humid forests. About 75 per cent … phlegmatic coldWebUnlike other cryptogeal species, bunya pine forms an abscission zone at the base of the cotyledonary tube, and thus an organized detachment of the tube from the tuber can occur. The initial divisions leading to abscission zone formation commence between weeks 2-3, and by week 4 the zone extends across the ground tissues but not the vascular ... phlegmatic child