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Ursinia
''Ursinia'' is a genus of African plants in the chamomile tribe within the daisy family. The genus is named in honor of German scholar Johannes Heinrich Ursinus 1608–1667. Characteristics This genus consists of annual or perrenial herbs and shrubs. Leaves The leaves are usually alternately with toothed margins. Flowers The flowers are borne in round flower heads. They are usually medium sized or large, but may also rarely be small. Most species have long floral stems. There are many rows of bracts. These get shorter towards the outside. The florets of the flowerheads are not all of the same sex. There is only one row of ray (outer) florets. The corolla is strap shaped. The blades of the petals may have three small teeth at the end. The disc florets are bisexual, although those at the center may be sterile. The corolla has a slender tube that widens at the base. The achenes (small, dry fruits that contain a single seed) have five to ten ridges and are narrower towar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ursinia Calenduliflora
''Ursinia'' is a genus of African plants in the Anthemideae, chamomile tribe within the Asteraceae, daisy family. The genus is named in honor of German scholar Johannes Heinrich Ursinus 1608–1667. Characteristics This genus consists of annual or perrenial herbs and shrubs. Leaves The leaves are usually alternately with toothed margins. Flowers The flowers are borne in round flower heads. They are usually medium sized or large, but may also rarely be small. Most species have long floral stems. There are many rows of bracts. These get shorter towards the outside. The florets of the flowerheads are not all of the same sex. There is only one row of ray (outer) florets. The corolla is strap shaped. The blades of the petals may have three small teeth at the end. The disc florets are bisexual, although those at the center may be sterile. The corolla has a slender tube that widens at the base. The achenes (small, dry fruits that contain a single seed) have five to ten ridges ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |