Scientific Name – Cerastium tomentosum L. 1753
Synonim – Cerastium columnae ten., Cerastium samnianum
Common name(s) – snow in summer.
Distribution and Habitat – native in the Caucasus and S-E Europe.
Description – perennial, rhizomatous. Flowering stem ascending, branched, 15-40 cm; nonflowering stems prostrate, pubescence dense, white-tomentose. Leaves sessile; blade linear to linear-lanceolate, 10-60 x 2-8 mm, apex obtuse, pubescence dense, whitish-tomentose, eglandular on both surfaces. Inflorescences lax, 3-13 flowered; bracts lanceolate, margins scarious, pubescent. Pedicels ascending, 10-40 mm, white tomentose. Flowers 12-20 mm diameter; sepals narrowly lanceolate-elliptic, 5-7 mm, apex acute, white-tomentose; petals obtriangular, 10-18 mm, apex bifid; 10 stamens. Flowering April-July. Cylindrical capsule, slightly curved, 10-15 mm. Seeds brown, cuneate to ellipsoidal or circular, 15 mm, rugose. 2n = 72
Growth rate – moderate to fast.
Tolerances – tolerant of drought.
Requirements – well-drained sandy or loamy soils with low fertility; prefer full sun.
Propagation – by division or by seeds sown in early spring. Germination usually takes 2-3 weeks at 21 ̊C. When seedlings are large enough to handle transplant and grow on in cooler conditions.
Pest and Diseases –
Garden Partners – Allium schoenoprasum, Artemisia sp., Eryngium amethystinum, Geranium sylvaticum, Malva moschata, Penstemon birsutus, Stachys byzantina, Veronica spicata.
Cultivars – ‘Yoyo’ – leaves silvery, flowers white.
Properties and Uses – a commonly grown rock-garden, often escape from cultivation.
Genus Felicia was named the Cassini AHG in 1818 by Felix, a German official at Regensburg who died in 1846.
Felicia amelloides first cinerary amelloides was named by Linnaeus in 1763 and in 1894 named Felicia amelloides.
Linum viscosum - increases in floor and alpine mountain in southern Europe, from Iberia to the Balkans, the arid grasslands and bushes, the limestone bedrock, from plain to 1600 m altitude.
Scrophularia nodosa - perennial species, grows in wet forests, rape and besides water, from 0-1800 m altitude.
Helianthemum nummularium - Rock Rose
Scientific name, Helianthemum numularium, derived from the Greek Helios = sun and the Latin word indicating the currency, numumus = currency, because the flowers that sparkle in sunlight like a golden coin.
Herbaceous perennial. Procumbenta or decumbenta stem, 10-30 x 30-120 cm, with 4 edges, pear. Leaves tri-or tri-lobate penatsectat, lobes linear, 2-3.5 x 2-3 cm, entire or toothed, top obtuse. Flowers solitary in the armpit bracteelor, blue, purple, red-purple, lilac, or white. Calyx tubular, 6-9 mm needle 5 sepa unequal, linear, top acute.
Ziziphus jujuba Mill - jujuba
Deciduu tree, 5.12 m high. Stalk annually, thin, 2-3 mm diameter, pale green, glabra, geniculati. Leaves alternate, bright green, elliptical language-lanceolata, margine crenata, top obtuse or emarginat, the round or asymmetrical, 3-5 cm long; nervatiune arch, median rib and a pair of secondary ribs, pale green stalks, 5-7 mm .
Small tree, stem 6 m tall, thin. Lujerii are pubescent. Leaves with Lamine obovata, 9-19 x 3.5-5.5 cm, short top acuminata, the acute subcoriacee, subglabra mid rib, ribs side 10-13 pairs, petiole 3.5-10 mm, slightly pubescent.