Succulent Flora of Southern Africa
This practical guide describes the stage by stage development of a new method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, Qtbm.The book also looks at logging methods and tunnel support design.
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PORTULACACEAE Anacampseros and related genera
EUPHORBIACEAEEuphorbia and related genera
ALOACEAE Five minor genera
4-angled Aloe angles Angola annulus anthers apex apical base Botswana bracts branches Bruyns capsule Caralluma cilia closing bodies clusters coastal colour corolla lobes covering membranes Crassula cyathia cymes dark decumbent densely diameter distinguished distribution district dwarf Eastern Cape erect Euphorbia fleshy flowers genera genus glabrous glands green habit hairs hairy Hartmann Haworthia inflores inflorescence inner lobes involucre keels KwaZulu-Natal Leach leaf leaf-ends leaves Little Karoo main stem margins Mountains Mozambique Mpumalanga Namaqualand Namibia narrow Northern Cape Northern Province occurs Orange River outer corona pale papillae papillate pedicels peduncle perianth petals pink plants pubescent purple racemes recurved Richtersveld rosette Ruschia Schwantes sessile short shrub shrublet solitary South Africa south-western Cape southern Namibia species spines spiny spreading stamens Stapelia stemless subsp succulent surface tall terete thick tips Tolken Transvaal Tridentea Tromotriche tube tuber tubercles typical Vanrhynsdorp Western yellow yellowish-green Zimbabwe