Glossary: r

  • Ranunculus multifidus

    Posted on by s2This small evergreen herb grows well in damp grassland and spreads its runners freely therefore being an excellent candidate for groundcover. The compound, bright-green leaves grow from a basal rosette and are covered with hairs. The cheerful yellow flowers, about... Read more »

  • Rapanea melanophloeos

    Posted on by s2Boekenhout, as it is often called, is a medium to tall tree with a single trunk that branches down to form a fairly narrow, cone shaped canopy. Young leaves and twigs are purplish-red, and the leaf-stalks are dark purple. The... Read more »

  • Raphanus raphanistrum

    Posted on by s2Not listed on NEMBA legislation, however it is a troublesome weed smothering other natural vegetation. Naturalised weed from the rape seed or radish family. Read more »

  • Restio eleocharis

    Posted on by Di StrombergThis plant can be found in the sandy, dune areas of Steenbok Nature Reserve.   The dichotomously branches (type of branching in plants that results when the growing point (apical bud) divides into two equal growing points often twisted) are... Read more »

  • Rhoicissus digitata

    Posted on by s2Usually a woody climber to 15 meter, occasionally a small bushy tree 3 – 4m in height. Leaves with 3-5 leaflets, (easily confused with Searsia species). Flowers greenish yellow on short stalks Nov. – Jan.  Fruit round, fleshy, purplish black.... Read more »

  • RHYNCHOSIA CARIBAEA

    Posted on by Di StrombergThis indigenous, herbaceous climber or creeper grows from a thick, woody rootstock. The stems are covered in short, soft hair and are slender. The leaves are strikingly beautiful, heart-shaped and trifoliate (i.e. divided into 3 leaflets). The flowers are 9–20 mm... Read more »

  • Ricinus communis

    Posted on by Di StrombergInvasive Status in South Africa: NEMBA Cat. 2 Ricinis communis is a fast-growing shrub or small tree which is a highly prolific and precocious producer of toxic seeds, very adaptable to different environments and has been widely distributed by man. It is... Read more »

  • Robinia pseudoacacia

    Posted on by s2A deciduous tree with an oval or rounded crown and bark that is dark brown and deeply furrowed. It suckers freely and often forms thickets. Young stems and branchlets have short spines. Small, bright green leaves above and paler beneath... Read more »

  • Rubia petiolaris

    Posted on by s2This is a prickly, scrambling perennial plant that can grow to 2.5m. The little leaves are heart shaped and occur in fours, squarely arranged along the stalk. The whole plant is rough to the touch. The flowers appear in axillary... Read more »

  • Rumex sagittatus

    Posted on by s2This is a climbing or sprawling perennial plant which is usually dioecious (i.e. where the male and the female reproductive organs are on separate plant). The leaves are shaped like an arrowhead  (which is where this plant get its species... Read more »

  • Rumohra adiantiformis

    Posted on by s2This is an evergreen fern that can be seen in the tree copses in the Park and in the Knysna forests which is its natural habitat. It spreads via creeping rhizomes and is well liked for flower arranging because the... Read more »

  • Ruschia species

    Posted on by s2Plants in the Ruschia genus are among the most striking, versatile and diverse of all succulents in the Mesembryanthemum group. Imported from the Karoo, it provides a splash of colour as one approaches the indigenous garden in the Park. Members of Ruschia are all... Read more »