Acaena is a genus of about 100 species of perennial herbs and subshrubs in the Rosaceae, native mainly to the Southern Hemisphere, notably New Zealand, Australia and South America, but with a few species extending into the Northern Hemisphere, north to Hawaii (A. exigua) and California (A. pinnatifida). A Red Valerian, a perennial plant. ... A herb (pronounced urb in American English and hurb in British English) is a plant grown for culinary or medicinal value. ... A subshrub (Latin suffrutex) is a horticultural rather than strictly botanical category of woody perennial plant, distinguished from a shrub by variously its ground-hugging stems and lower height, with overwintering perennial woody growth typically less than 10-20 cm tall, or by being only weakly woody and/or only... Subfamilies Rosoideae Spiraeoideae Maloideae Amygdaloideae or Prunoideae The Rosaceae or rose family is a large family of plants, with about 3,000-4,000 species in 100-120 genera. ... The Southern Hemisphere is the part of Earths surface that is south of the equator. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... The Northern Hemisphere is the half of a planets surface (or celestial sphere) that is north of the equator. ... State nickname: The Aloha State Other U.S. States Capital Honolulu Largest city Honolulu Governor Linda Lingle Official languages Hawaiian and English Area 28,337 km² (43rd)  - Land 16,649 km²  - Water 11,672 km² (41. ... State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger Official languages English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4. ...

The leaves are alternate, 4-15 cm long, and pinnate or nearly so, with 7-21 leaflets. The flowers are produced in a tight globose inflorescence 1-2 cm diameter, with no petals. The fruit is also a dense ball of many seeds; in many (but not all) species the seeds bear a barbed arrowhead point, the seedhead forming a burr which attaches itself to animal fur or feathers for dispersal. In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... Wildflowers A flower is the reproductive organ of those plants classified as angiosperms (flowering plants; Division Magnoliophyta). ... Fruit stall in Barcelona, Spain. ... A SeeD is a term given to mercenaries trained and employed by Balamb Garden in the Final Fantasy VIII video game. ... A burr is a seed or type of fruiting body, borne by certain plants, in which the seeds bear hooks or teeth which attach themselves to fur or clothing of passing animals or people. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... The term fur refers to the body hair of non-human mammals also known as the pelage (like the term plumage in birds). ... Closeup on a single white feather A feather is one of the epidermal growths that forms the distinctive outer covering, or plumage, on a bird. ...

Invasive species

Some species have been introduced accidentally to other areas, attached to sheep's wool, and have become invasive species. A. novae-zelandiae, the Piripiri from New Zealand, is the most commonly encountered species in Great Britain, where it is often abundant on coastal sand dunes, crowding out native vegetation and creating an often painful nuisance with the barbed burrs. In California, A. pallida, from New Zealand and southeast Australia, is similarly a problem species. This article is about the animal, sheep; for other meanings of Sheep, see Sheep (disambiguation). ... Long and short hair wool at the South Central Family Farm Research Center in Boonesville, AR Wool is the fiber derived from the hair of domesticated animals, usually sheep. ... Purple flowers of the highly invasive Pattersons Curse infest the Warrumbungle National Park in New South Wales, Australia. ...