Search results
Results from the WOW.Com Content Network
Glass disease, also referred to as sick glass or glass illness, is a degradation process of glass that can result in weeping, crizzling, spalling, cracking and fragmentation. [ 1 ] [ 2 ] Glass disease is caused by an inherent instability in the chemical composition of the original glass formula. [ 3 ]
Viola sororia (/ v aɪ ˈ oʊ l ə s ə ˈ r ɔːr i ə / vy-OH-lə sə-ROR-ee-ə), [5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood ...
Fungal diseases; Crown rot Sclerotium rolfsii: Cylindrocarpon root rot Cylindrocarpon destructans: Fusarium root rot Fusarium solani: Gray mold Botrytis cinerea
They can be recognized by their star-like appearance due to the separated petals or their deep violet-blue spurs. [3] [9] Pollination can occur via insects, self-pollination, or cross-pollination. [4] Its seeds have rather thick cotyledons to nourish the embryo, and the fruits that develop around them usually have 3 lobes. [1]
Viola renifolia is a species of violet known by the common names white violet and kidneyleaf violet. It is native to northern North America, where it has a widespread distribution across Canada and the northern United States as far south as Washington, Colorado, and New York. [1] Kidneyleaf violet is a perennial herb growing up to 10 ...
Like all violets the flowers are zygomorphic. The petals are light violet. The spur is with six to seven millimetres larger than the calyx. The flowering period is ...
Viola flettii is a species of violet known by the common name Olympic violet. [1] [2] Native to the northeastern and eastern Olympic Mountains of Washington in northwestern United States, it occurs on rocky outcrops and talus at subalpine and alpine elevations, i.e., from 1,340–2,000 metres (4,400–6,560 ft), and blooms from June through August. [3]
Viola ocellata is a species of violet known by the common names pinto violet, [2] two-eyed violet, [3] and western heart's ease. [4] It is native to southern Oregon and northern and central California, where it occurs in the coastal foothills and mountain ranges. It sometimes grows in serpentine soils [5] and in quicksilver mines. [6]