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Non-vascular plants and green algae have an additional light-independent enzyme and grow green even in darkness. [40] Chlorophyll is bound to proteins. Protochlorophyllide, one of the biosynthetic intermediates, occurs mostly in the free form and, under light conditions, acts as a photosensitizer, forming free radicals, which can be toxic to ...
Ajuga reptans is a dense spreading groundcover with dark green leaves with purple highlights. The leaves grow 5–8 cm (2.0–3.1 in) tall. In spring the plant sends up 10–15 cm (3.9–5.9 in) tall flower stalks bearing many purple flowers. The flowers are frequently visited by flies, such as Rhingia campestris. [1] Image of a bugle by ...
Purple bacteria or purple photosynthetic bacteria are Gram-negative proteobacteria that are phototrophic, capable of producing their own food via photosynthesis. [1] They are pigmented with bacteriochlorophyll a or b , together with various carotenoids , which give them colours ranging between purple, red, brown, and orange.
Angelica atropurpurea is a perennial plant that grows to 6 ft (180 cm) tall. [4] The erect, branching stem is purple, smooth, hollow, and sturdy. The compound leaves are bipinnate, with 3 to 5 leaflets per leaf.
Greengage fruit are identified by their round-oval shape and smooth-textured, pale green flesh; they are on average smaller than round plums but larger than mirabelle plums—usually between 2 and 4 centimetres (1 and 1 + 1 ⁄ 2 in) diameter.
Tradescantia pallida is a species of spiderwort native to the Gulf Coast region of eastern Mexico.It is a perennial herbaceous species with a trailing habit.The cultivar T. pallida 'Purpurea', commonly called purple heart or purple queen, is widely grown as a houseplant, outdoor container plant, or a garden groundcover.
The flowers are solitary on short stalks, petals purple or lilac, much longer than the calyx lobes. It is one of the first spring flowers, continuing to flower during the whole summer in localities where the snow melts later. The flowers grow to about 1 cm (1 ⁄ 2 in) in diameter.
Cyclamen purpurascens, the purple cyclamen, is a species of flowering plant in the genus Cyclamen of the family Primulaceae, native to central Europe, northern Italy, and former Yugoslavia. It is an evergreen tuberous perennial with (usually) variegated leaves, and deep pink flowers in summer.