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The North-east-Brazilian Liana. The euphilic flowers of plants in the family Bignoniaceae display a spectrum of adaptive radiations, involving different pollinator groups. Besides melittophily (adaptation to pollination by medium - to large-sized bees), which predominates, flowers are pollinated by hawkmoths and bats.
Each individual plant had a single inflorescence, which extends above the foliage, in the form of a simple, terminal, vertically orientated, many-flowered raceme on a long, bracteose peduncle. The inflorescence structure, with only one or two flowers open at a given time (in the latter case on the same node), indicates continuous flowering over at least several weeks, thus displaying a 'steady state' pattern . The flowers, on a stout pedicel (20 mm long), have a 5-dentate tubular calyx. The calyx, the sub-tending bracts and the two prophylls, bear groups of extra floral nectaries (single peltate trichomes). The yellow-colored corolla, measuring 7 mm in length, has a 28mm long and 4mm-wide basal tube that widens rather abruptly into a campanulate limb.
This plant is most interesting because, its maroon venation marking its glossy green leaves, makes it an attractive foliage in hanging baskets.
Aeschynanthus is a large genus of Old World tropical herbs. In many respects, they are analogous to the genus Columnea in Central and South America -- both are most often trailing epiphytes with fairly large and showy flowers that are frequently pollinated by birds. The appearance of the various Aeschynanthus species varies widely. The original 'Lipstick Plant' has hard-surfaced shiny leaves, with bright red flowers that emerge from a very dark red tubular calyx, in a fashion reminiscent of lipstick emerging from a tube. It is an epiphyte that grows in the angles of branches in the rain forest. As with all epiphytes, the lipstick plant does not live as a parasite on the tree, but takes its nourishment from fallen leaves and twigs that accumulate in the crevices of branches. Needs plenty of light, but not direct sunlight. They thrive in summer heat, and winter temperatures should not drop below 60 degrees.
A very attractive flowering vine, that is mostly used in hanging pots. Water freely durning spring to fall, but keep the soil a little drier in the winter. The trailing stems can be 2ft long, so they may need pruning after flowering has finished. The plant tolerates most house temperatures. Ideal temperatures are 60 degrees at night but 10 to 15 degrees higher during the day. A. pulcher is one of the classic lipstick plants, and is similar to A. lobbianus -- except for the tan colored calyx.
Aeschynanthus speciosus is a species of trailing ephiphytic flowering plant, in wild growing on branches of trees in the tropical rainforests. The large, fleshy, dark green leaves are up to 4 inches (10 cm) long and 1 1⁄2 inches (3.8 cm) wide and are arranged in groups along the stems.The flowers are orange with the inside of the mouth orange-yellow and with a dark red bar across the lower lobes which also have scarlet borders.
Aeschynanthus speciosus are perfect as hanging or trailing plants.These plants are perfect for a greenhouse, sunroom or conservatory. They require high humidity and warmth throughout the growing season, as well as strong, but not direct, light.