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Scientific Name – Flourensia cernua DC. Synonim – Common name(s) – tarbush, blackbrush, varnishbush, hojasé, Yerba del Hule. Distribution and Habitat – common (endemic) on dry plains to the Chihuahuan Desert, Arizona, California, New Mexico and Texas at elevation ranging from 400-2000 m. Is associated with Hilaria mutica, Larrea tridentate, Prosopis sp., Scleropogon brevifolius. It is found in limestone or calcareous, deeper soils. Description – deciduous shrub, erect to procumbent, 30 -200 cm tall, much branched. Twig light brown, gray, slender, resinous, pubescent; trunk gray to dark gray, glabrous, sparingly striate, resinous. Leaves alternate, simple, elliptical or oblong to oval, 1.6-2.5 x 0.6-1.2 cm, acute, margins entire, adaxially green and glabrous, abaxially paller and glabrous or pubescent, veins often black; petioles 1-2.5 mm long, puberulent. Inflorescences small, solitary. Flowers with 3 series bracts; bracts linear; ray flowers absent; disk flower 12-20, yellow, resinous. Flowering in July to December. Fruit achene, 0.5-1 cm long, oblong, compressed, villous; papus of 2-4 unequal bristles, 2.5-3.3 mm long. Growth rate – slow Requirements – prefers heavy, deep soils; full sun, light water. Propagation – by seeds. Properties and Uses – mature fruit is poisonous to sheep and goats. In Mexic, an infusion of the leaves is drunk frequently to treat various gastrointestinal ailments. Curiosity – the genus Flourensia, tribe Heliantheae, consist of 32 species of resinous shrubs that grow from southern United States south to Argentina and Chile. Bibliography A.Powell – Trees and Shrubs of the Trans-Pecos and adjacent areas- University of Texas Press, 1998 James Stubbendieck, Stephan L. Hatch, L.M. Landholt – North American Wildland Plants – University of Nebraska Press, 2003 Mahendra Rai, Maria Cecilia Carpinella – Naturally Occuring Bioactive Compounds- Elsevier Science, 2006
See also
 Trees and shrubs
Diospyros kaki L. - Khaki
Monoecious tree, 6-12 m high. Trunk erect, conical crown, brown bark is exfoliating in small plates. Leaves fell, coriacee, alternate, language oval-elliptic, margin entire, top acuminata, the attenuated, shiny green on top and pubescent towards the bottom, 7-20 x 4.10 cm, petiole 1-1.5 cm long. Cananga odorata
Evergreen tree, 10-40 m height, 3 m. Branches culture clocks or easy erection. Bark smooth, gray-white to silver. Leaves alternate, dark green, 7-20 cm long, slightly pubescent, oblong-elliptic, prominent central rib, full and wavy edges, top acute, base acute. Sambucus nigra L. - elderberry
Shrub or small tree, 4-5 m high. Trunk law, branched, branches long, nodo. Bark thick, scanelata, gray-white, the yearly per stalk is green, smooth and smell bad. The wood is hard, compact yellow color, easy to clean. Tufoasa crown. Leaves opposite, imparipenat compound, 5-7 folio Fremontodendron californicum
Fremontodendron californicum - originating in Baja California, California and Arizona. Genus was named by JC Fremont. Tilia cordata - Small-leaved lime, lime hill
Scientific Name - Tilia cordata Synonyms - Tilia parvifolia Ehrh., Tilia ulmifolia Purpose .. Names of people - small-leaved lime, lime sulfur, lime hill, Littleleaf Linden, Lindenbluten, Tiliae flos, Fleur de Tilleul. Distribution and Habitat - originating in Europe, grows on nutrient-rich soil in warm areas. Description - tree, 20 feet tall. Trunk as thick (can reach up to 1 m diameter). Bark on young specimens is smooth, gray to dark gray becomes mature specimens or brown, pitted. Crown oval, conical. Olive-green stems, at first pubescent then glabrata. Buds 4-6 mm long, usually two outer scales unequal, shiny, olive-green to red-brown, terminal bud is absent. Leaves alternate, simple, subrotunde - ovate, 5-7 c Tilia cordata - tree, native of Europe, increases in nutrient-rich soil in warm areas. Lime flowers are the most popular remedy for colds and flu, tea is used to treat headaches, anxiety and nervous tension. Magnoliopsida
Campanula spicata
Campanula spicata - Alpine endemic species which grows on calcareous rocks, cultivated as ornamental species for rock garden. Cirsium heterophyllum
Cirsium heterophyllum - originating in Europe - Siberia, growing on peat bogs, on wet meadows, along rivers, on the edge of forests at 800-2100 m altitude. Kalanchoe blossfeldiana
Juicy species, perennial, native to Madagascar, was introduced in Europe in 1920. The species is named after Robert Blossfeld. Undergrowth of 40 cm height. Leaves simple, opposite, succulent, elliptic to ovata, the strains are from the top of Blong-lanceolata, 2-10 cm long, red margin, crenate, glabra. Quillaja saponaria
Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds. Parnassos palustris
Parnassos palustris - the name derives from Latin genus = Parnassus Parnassus in mythology rubs is considered the seat of beauty in relation to plant appearance and habitat. |
 
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