نتایج جستجو برای: Pycreus

تعداد نتایج: 10  

ژورنال: The Iranian Journal of Botany 2005
محمد امینی راد

گونه‌های Pycreus sanguinolentus, Carex michelii به‌عنوان گونه‌هایجدید و گونه Carex tomentosa به‌عنوان جمع‌آوری جدید از ایران گزارش داده می‌شوند.

ژورنال: پژوهش های گیاهی 2018

تیره اویارسلام (Cyperaceae) گیاهانی چند ساله و بندرت یک ساله با ساقه های هوایی افراشته و زیرزمینی، برگ ها بلند، متناوب ,و اندام های تولید مثلی کاهش یافته هستند، که اغلب در اکوسیستم های ماندابی (Wetland) می رویند. در این تحقیق ده گونه شامل چهار جنس Carex, Cyperus, Pycreus و Schoenoplectus از لحاظ ساختار تشریحی و ریز ریخت شناسی مورد مطالعه قرار گرفتند. نتایج بررسی تشریحی ساقه نشان داد که ویژگی ه...

Journal: :Blumea - Biodiversity, Evolution and Biogeography of Plants 2010

2013
R. HARI

In the past and now most of the developments in conventional agriculture have concentrate on major grasses with little attention to the minor, underutilized grasses and as yet undeveloped grasses of livestock. Many underutilized grass species are being lost each day and more of which have unknown potential will be lost. The present study is undertaken to carry out the nutrient content of twenty...

Journal: :Nordic Journal of Botany 2021

Cyperus megapotamicus (A. Spreng.) Kunth is a nomenclatural synonym of Rhynchospora megapotamica H. Pfeiff. but was originally misapplied to species Cyperus. Contrary the rules, both names are in current use different genera. We here clarify perpetuated taxonomic and confusion regarding identity C. sensu related conclude that jaeggii Boeckeler correct name be adopted. provide an amended circums...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2012
K R B Leite F França V I Scatena

Temporary lakes are common in the semi-arid region of the State of Bahia and form water mirrors in the rainy season. In this period, various vegetal species appear having different life forms adapted to the seasonality conditions of the rainfall regime. This work surveyed the adaptive anatomical structures of some emergent and amphibious monocot species occurring in these lakes. We studied the ...

Journal: :South African Journal of Botany 2021

Weeds are major biotic constraints to rice production worldwide. Compared other sub-regions, weed communities of not well described for East Africa and there is limited information on environmental factors affecting the distribution species. This study aimed address these knowledge gaps. Seasonally flooded fields 31 sites in Rwanda, Tanzania, Kenya Uganda, across three altitude classes (Low: <2...

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