Euphorbia Meloformis

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SANBI IDentifyIt - Species Euphorbia meloformis Family Euphorbiaceae NEMBA Status Protected CITES Listing Appendix II Common names Melon spurge; bobbejaankos (Afrikaans - although this name is also used for other plants) Geographic location / distribution / province Eastern Cape Province Distinguishing characteristics A dwarf succulent perennial; melon or apple shaped, up to 12 cm in diameter, although the variety that occurs near Peddie (in the Eastern Cape) may be 20 cm in height and in diameter. This bigger form may also have up to 14 ribs and a distinctive, grey-green colour. E. meloformis has round green and purple banded, spineless stems with 8 to 12 ribs. It occasionally offsets from the base. The plants in the wild differ from one population to another, but also from one plant to another. Young plants have leaves that sometimes dry out quickly and in other forms last longer on the plant. Euphorbias have a milky latex which is poisonous and is especially irritant to tender or cut skin and the eyes and all plants should be handled with care. Similar species It is very similar in look to E. obesa, but with small yellow flowers on long peduncles (stalks) which dry and persist on the plant after blooming, Reference Rikus van Veldhuisen of “u4ba” www.euphorbia.eu Other species in the same family Euphorbia spp. Euphorbia bayeri Euphorbia bupleurifolia Euphorbia globosa Euphorbia obesa Euphorbia squarrosa Flowering months Flowers late summer through autumn Trade Occurring in three limited areas, may be decreasing and thus threatened due to illegal plant collection Medium aged plant (male). Photographer: Frank Vincentz Fact Sheet. Juvenile plant. Photographer: Stan Shebs Juvenile plant. Photographer: Stan Shebs Adult plant. Photographer: Frank Vincentz Photographer: Frank Vincentz Copyright © 2017. All rights reserved..

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Euphorbiaceae
Botanische Bestimmungsübungen 1 Euphorbiaceae Euphorbiaceae (Wolfsmilchgewächse) 1 Systematik und Verbreitung Die Euphorbiaceae gehören zu den Eudikotyledonen (Kerneudikotyledonen > Superrosiden > Rosiden > Fabiden). Innerhalb dieser wird die Familie zur Ordnung der Malpighiales (Malpighienartige) gestellt. Die Euphorbiaceae umfassen rund 230 Gattungen mit ca. 6.000 Arten. Sie werden in 4 Unterfamilien gegliedert: 1. Cheilosoideae, 2. Acalyphoideae, 3. Crotonoideae und 4. Euphorbioideae sowie in 6 Triben unterteilt. Die Familie ist überwiegend tropisch verbreitet mit einem Schwerpunkt im indomalaiischen Raum und in den neuweltlichen Tropen. Die Gattung Euphorbia (Wolfsmilch) ist auch in außertropischen Regionen wie z. B. dem Mittelmeerraum, in Südafrika sowie in den südlichen USA häufig. Heimisch ist die Familie mit Mercurialis (Bingelkraut; 2 Arten) und Euphorbia (Wolfsmilch; 20-30 Arten) vertreten. Abb. 1: Verbreitungskarte. 2 Morphologie 2.1 Habitus Die Familie ist sehr vielgestaltig. Es handelt sich um ein- und mehrjährige krautige Pflanzen, Halbsträucher, Sträucher bis große Bäume oder Sukkulenten. Besonders in S-Afrika und auf den Kanarischen Inseln kommen auf hitzebelasteten Trockenstandorten zahlreiche kakteenartige stammsukkulente Arten vor, die in den Sprossachsen immens viel Wasser speichern können. © PD DR. VEIT M. DÖRKEN, Universität Konstanz, FB Biologie Botanische Bestimmungsübungen 2 Euphorbiaceae Abb. 2: Lebensformen; entweder einjährige (annuelle) oder ausdauernde (perennierende) krautige Pflanzen, aber auch viele Halbsträucher,
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736 Part 4 The History of Life How are developmental biology and evolution related? Developmental biol- ogy is the study of the processes by which an organism grows from zygote to reproductive adult. Evolutionary biology is the study of changes in populations across generations. As with non-shattering cereals, evolutionary changes in form and function are rooted in corresponding changes in development. While evo- lutionary biologists are concerned with why such changes occur, developmental biology tells us how these changes happen. Darwin recognized that for a com- plete understanding of evolution, one needs to take account of both the “why” and the “how,” and hence, of the “important subject” of developmental biology. In Darwin’s day, studies of development went hand in hand with evolution, as when Alexander Kowalevsky (1866) first described the larval stage of the sea squirt as having clear chordate affinities, something that is far less clear when examining their adults. Darwin himself (1851a,b; 1854a,b) undertook extensive studies of barnacles, inspired in part by Burmeister’s description (1834) of their larval and metamorphic stages as allying them with the arthropods rather than the mollusks. If the intimate connection between development and evolution was so clear to Darwin and others 150 years ago, why is evolutionary developmental biology (or evo-devo) even considered a separate subject, and not completely inte- grated into the study of evolution? The answer seems to be historical. Although Darwin recognized the importance of development in understanding evolution, development was largely ignored by the architects of the 20th-century codifica- tion of evolutionary biology known as the modern evolutionary synthesis.
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Euphorbia Obesa
SANBI IDentifyIt - Species Euphorbia obesa Family Euphorbiaceae NEMBA Status Protected CITES Listing Appendix II Geographic location / distribution / province Euphorbia obesa is a rare endemic of the Great Karoo, south of Graaff-Reinet in the Eastern Cape. Distinguishing characteristics Description: Euphorbia obesa is a peculiar, almost ball shaped dwarf succulent plant that resembles a stone Size: It can grow to 20 cm in height with a diameter of 9 cm Root system: It has a tapering tap root Euphorbias have a milky latex which is poisonous and is especially irritant to tender or cut skin and the eyes and all plants should be handled with care. Threats Over-collecting by collectors and plant exporters has almost resulted in the plant becoming extinct in the wild. Other species in the same family Euphorbia spp. Euphorbia bayeri Euphorbia bupleurifolia Euphorbia globosa Euphorbia meloformis Euphorbia squarrosa Legislation Please be aware that Euphorbia obesa is protected by both national and international legislation:On a NATIONAL level, this legislation differs from province to province and is policed by the Nature Conservation authority. In the Western Cape (and probably the Eastern and Northern Cape who were all part of the same province in 1974 when the ordinance was passed) Euphorbia obesa and 8 other species, are listed on Schedule 3 (Protected Flora) and one requires a permit from Nature Conservation to collect, cultivate and sell Protected Flora. When buying protected flora, make sure that the seller is registered with Nature Conservation and that they issue an Invoice. For more information, please contact the Western Cape Nature Conservation Board, Private Bag X9086, CAPE TOWN, 8000, telephone (021) 483 3539 / 483 3170, fax (021) 483 4158, email: [email protected] or your provincial authority.
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Standing Committee on Academic Matters dated 17.08.2018 Annexure No.-5 DRAFT UNIVERSITY OF DELHI MASTER OF SCIENCE - BOTANY (Acronym for the Course) (Effective from Academic Year 2018-19) PROGRAMME BROCHURE M.Sc. Botany Revised Syllabus as approved by Academic Council on XXXX, 2018 and Executive Council on YYYY, 2018 Standing Committee on Academic Matters dated 17.08.2018 Annexure No.-5 Department of Botany, University of Delhi CONTENTS Page I. About the Department 3 II. Introduction to CBCS 4 Scope Definitions Programme Objectives (POs) Programme Specific Outcomes (PSOs) III. Master of Science in Botany Programme Details 5 Programme Structure Eligibility for Admissions Assessment of Students’ Performance and Scheme of Examination Pass Percentage & Promotion Criteria: Semester to Semester Progression Conversion of Marks into Grades Grade Points CGPA Calculation Division of Degree into Classes Attendance Requirement Span Period Guidelines for the Award of Internal Assessment Marks Master of Science in Botany Programme (Semester Wise) IV. Course Wise Content Details for Master of Science in Botany Programme 13 2 Standing Committee on Academic Matters dated 17.08.2018 Annexure No.-5 Department of Botany, University of Delhi I. About the Department Historical background of Department The Department of Botany, University of Delhi, was established in 1947 with about 50 students and few faculty members. The dynamic and visionary contributions of several renowned botanists earned the Department international recognition for its teaching and research. Based on exemplary performance, the Department was recognized as a UGC Centre for Advanced Studies (CAS) in Botany. In the recent past, the Department received grants under the UGC-COSIST scheme and continues to receive assistance under DST-FIST, UGC-SAP and DST-PURSE programmes.
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A Taxonomic Study Of.Succulents, Exclusive of Cacti, Occuring Native Or Cultivated
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The Huntington's Chinese Garden
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Central Spine
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