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10:50, 22 June 2010: 5.7 s, 1,280 × 720 (3.11 MB) Zephyris {{Information |Description={{en|1=Oxalis triangularis (also known as the love plant or purple shamrock) is a classic example of a plant which responds with movement to external stimulus. The leaves open and close in response to varying light levels with t
A timelapse of the leaves of O. triangularis closing at night. The recording is at ~750x actual speed and covers a 1.5 hr period of time. The leaves of O. triangularis move in response to light levels, opening in high ambient light (in the day) and closing at low light levels (at night). During this movement, the leaflets fold at the level of ...
Note this darkening is "fake", it is approximately 1/4 the actual lowering in light levels over this time period. - Zephyris Talk 23:52, 16 June 2010 (UTC) Support This is one of the few good videos Hive001 contact 08:14, 13 June 2010 (UTC) Weak support. This video doesn't blow me away, but it's got fairly high EV and is of acceptable quality.
At lowered light levels the leaves fold down; timelapse recorded at ~750x actual speed and covering a 1.5 hr period of time. In biology , nastic movements are non-directional responses to stimuli (e.g. temperature , humidity , light irradiance ) that occur more rapidly than tropisms and are usually associated with plants .
Dormancy should not be confused with seed coat dormancy, external dormancy, or hardheadedness, which is caused by the presence of a hard seed covering or seed coat that prevents water and oxygen from reaching and activating the embryo. It is a physical barrier to germination, not a true form of dormancy (Quinliven, 1971; Quinliven and Nichol ...
Use slow-release fertilisers when the plant is not dormant or NPK 5-10-5 type fertilisers in late-spring to encourage blooming. Height: 6" - 1' (15 cm - 30 cm) Spread: 4" - 6" (10 cm - 15 cm) Depth: 3" (7 cm) Uses: Edging, Ground cover, Patio and Containers; If planted in early spring it will grow and flower throughout spring and summer.
Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
The gibberellins are named GA 1 through GA n in order of discovery. [5] Gibberellic acid, which was the first gibberellin to be structurally characterized, is GA 3. [6] As of 2020, [5] there are 136 GAs identified from plants, fungi, and bacteria. [1] [6] [5] Gibberellins are tetracyclic diterpene acids. There are two classes, with either 19 or ...