Silverhill Seeds Catalogue 25 April 2013 (alphabetically)

10m spreading tree, greyish bark, fresh green compound leaves, small pea-shaped white fl in sprays Sp, med, food plant. Sow Sp. Zone 10.
Xerophyta retinervis (Velloziaceae) US$ 3.50 per Pkt / US$ 6.00 per 100
"Black-stick lily", to 1.8m, robust rough black stems, grasslike leaves, many deep to pale mauve/white scented fl Sp. Sow Sp. Zone 8.
Xerophyta sp (Velloziaceae) US$ 3.50 per Pkt
Stocky stems, shell pink fl Sp. Sow Sp. Zone 8.
Xerophyta viscosa (Velloziaceae) US$ 3.50 per Pkt
Slender leaves, beautiful lilac fl with slightly curving petals Su-Au, outcrops & cliffs. Sow Sp. Zone 6.
Xerosicyos danguyi (Cucurbitaceae) US$ 3.50 per Pkt
Plant with swollen stem forming large bush, succulent lvs, yellow green fl, male & female fl borne on separate plants. Sow Sp. Zone 10.
Ximenia americana (Olacaceae) US$ 3.50 per Pkt / US$ 8.00 per 100
To 3m shrub, pale grey bark, purple-red branches with waxy bloom, yellowish-green/whitish fl Su-Au, yellow/red fruit, edible. Sow Sp. Zone 10.
Ximenia caffra (Olacaceae) US$ 3.50 per Pkt
To 2m much branched shrub, grass-green lvs borne on short branchlets, apple-green fl, burnt-orange to scarlet fruit, food plant. Sow Sp. Zone 10.
Xylotheca kraussiana (Flacourtiaceae) US$ 3.50 per Pkt / US$ 6.00 per 100
"African dog-rose", to 7m multi-stemmed shrub/small tree, smooth pale bark, dark green lvs, beautiful large white sweetly scented fl with mass of
yellow stamens in centre Sp, woody fruit splits to release sticky reddish & black seeds, med & edible. Sow Sp
Xysmalobium involucratum ? (Apocynaceae) US$ 3.50 per Pkt
Leaves & flowers not seen, seed pod 24cm long. Sow Sp. Zone 8.
Xysmalobium undulatum (Apocynaceae) US$ 3.50 per Pkt
"Milkwort", tall perenn, long narrow velvety leaves with milky latex, small creamy-green -yellow fl in dense umbels Sp-Su. Sow Sp. Zone 7.
Zaluzianskya capensis (Scrophulariaceae) US$ 3.50 per Pkt
40 cm erect ann, narrow leaves, long-tubed white fl with red reverse, opening late afternoon Au-Su. Sow Sp/Au. Zone 7.
Zaluzianskya ovata (Scrophulariaceae) US$ 3.50 per Pkt
40cm perenn, dark green dentate leaves, white fl with red reverse, grows on shady ledges on south facing cliffs, Drakensberg. Sow Sp. Zone 6. The
form from Sani Pass with orange centres to flowers is also available.
Zaluzianskya pulvinata (Scrophulariaceae) US$ 3.50 per Pkt
Cushion-forming perenn, rosettes of leaves, sweetly scented crimson fl open at dusk or dull light Su, Drakensberg sp. Sow Sp. Zone 6.
Zaluzianskya rubrostellata (Scrophulariaceae) US$ 3.50 per Pkt
Small plant, brilliant yellow fl with red centre Su, opens at dusk or in dim light, wet silty patches, high altitude species. Sow Sp. Zone 7.
Zaluzianskya violaceae (Scrophulariaceae) US$ 3.50 per Pkt
Branching ann to 15cm, dentate hairy lvs, fl in shades of mauve with yellow centre Sp. Sow Sp. Zone 8.
Zantedeschia aethiopica (Araceae) US$ 3.50 per Pkt / US$ 6.00 per 100
"Arum lily", 20-60cm, Wi-growing, decid/evergreen, ivory-white spathes Sp-Su, s/shade or sun, cut fl. Sow Au. Zone 8.
Zantedeschia aethiopica "Green Goddess" (Araceae) US$ 3.50 per Pkt
20-60cm, Wi-growing, decid/evergreen, green & white fl, s/shade. Sow Au. Zone 8. 8 seeds per pkt.
Zantedeschia albomaculata (Araceae) US$ 3.50 per Pkt / US$ 6.00 per 100
40-75cm, Su-growing, decid, spathes cream with purple blotch at throat Su-Au. Sow Sp. Zone 7.
Zantedeschia odorata (Araceae) US$ 3.50 per Pkt
Identical to Z. aethiopica, but has fragrant fl. Sow Au.
Zanthoxylum capense (Rutaceae) US$ 3.50 per Pkt
"Small knobwood", 4-7m tree, thorny grey bark, crushed leaves & seeds emit pleasant citrus oil smell, small greenish-white fl in sprays Su,
brownish-red fruit. Sow Sp. Zone 10.
Zanthoxylum davyii (Rutaceae) US$ 3.50 per Pkt
"Knobwood", 8-30m tree, wrinkled grey-brown bark covered with horn-like knobs, shiny dark green leaves, small greenish-white fl Sp, lemon-scented
fruit, attracts birds, med. Sow Sp. Zone 10.
Ziziphus mucronata (Rhamnaceae) US$ 3.50 per Pkt / US$ 6.00 per 100
"Buffalo thorn", 9m tree, drooping branches, spines at base of leaves, yellowish fl, copious nectar, shiny reddish berries, med. Sow Sp. Zone 10.
Ziziphus pubescens (Rhamnaceae) US$ 3.50 per Pkt
"Small jujuba", to 7m shrub/tree, dark green leaves with short soft hairs, small yellowish fl in dense heads Su. Rare endemic species known from only
one locality. Sow Sp..