|
Rudbeckia Mohrii
''Rudbeckia'' () is a plant genus in the Asteraceae or composite family. Rudbeckia flowers feature a prominent, raised central disc in black, brown shades of green, and in-between tones, giving rise to their familiar common names of coneflowers and black-eyed-susans. All are native to North America, and many species are cultivated in gardens for their showy yellow or gold flower heads that bloom in mid to late summer. The species are Herbaceous plant, herbaceous, mostly perennial plants (some annual plant, annual or biennial plant, biennial) growing to 0.5–3.0 m tall, with simple or branched stems. The leaf, leaves are spirally arranged, entire to deeply lobed, and 5–25 cm long. The flowers are produced in Leucanthemum vulgare, daisy-like inflorescences, with yellow or orange florets arranged in a prominent, cone-shaped head; "cone-shaped" because the ray florets tend to point out and down (are decumbent) as the flower head opens. A large number of species have been prop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rudbeckia Hirta
''Rudbeckia hirta'', commonly called black-eyed Susan, is a North American flowering plant in the family Asteraceae, native plant, native to Eastern and Central North America and naturalized in the Western part of the continent as well as in China. It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States. ''Rudbeckia hirta'' is the state flower of Maryland. Description ''Rudbeckia hirta'' is an upright annual plant, annual (sometimes biennial plant, biennial or perennial plant, perennial) growing tall by wide. It has alternate, mostly basal leaf, leaves 10–18 cm long, covered by coarse hair, with stout branching stems and daisy-like, pseudanthium, composite flower heads appearing in late summer and early autumn. In the species, the flowers are up to in diameter, with yellow ray florets circling conspicuous brown or black, dome-shaped cone of many small disc florets. However, extensive breeding has produced a range of si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
