Zun tube is deep red with purple, red or white flowers. There are many kinds of gardening.
The calyx is scarlet and the petals are purple.
For the cultivation of hybrid. Calyx tube white, longer, lobes retrorse, petals red.
The plant is 1-2m tall, sparsely pilose, with massive stem at the bottom. The branches are slightly juicy, reddish, with long leaves, 10-20cm long and 5-12cm wide. Calyx tube long tubular, slender base, bright red, 5-7.5 cm long. Petals short, 1 cm long, crimson.
Branches slender, creeping, calyx simple apricot yellow.
Tufted dwarf species with dark leaves and large whorls of flowers; calyx crimson, corolla cordiery.
The branches are glabrous and drooping, the veins are red, the pedicels are long and the sepals are crimson; the petals are fresh and Violine, and the length is about 1 /2 of the sepal lobes.
Clumping dwarf variety with dark purplish red branches. Leaves small, 3 whorled, ovate lanceolate. Flowers small, numerous; calyx red, tube slender short; petals obtuse, shorter than calyx lobes.
The branches are long and thin. The leaves are small. Flowers long and pendulous; calyx tube bright red, petals cordiery.
Low tufted shrub, 20-50cm high, with 3 whorls, green leaf surface, reddish brown back, dense villi on veins. Flowers are scarlet, 4 cm long, calyx tube is long, upper part is enlarged, petals are very short.
