Written by Maggie
Mar 18 2021
Sea hibiscus (Hibiscus tiliaceus), also called beach hibiscus, is a small evergreen tree, up to 4-7 meters high. Leaves are large, heart-shaped and long-stalked. Flowers are yellow, corolla bell - shaped, capsules. Sea hibiscus is mainly distributed in southern China, south subtropical evergreen broad-leaved forest, tropical monsoon rainforest and rain forest, such as Guangdong, Guangxi, rural Taiwan, etc.
Sea hibiscus is a large evergreen shrub to small trees with star-shaped hairs. The trunk is not obvious and can reach 3-4m high.Its leaves are large, heart-shaped, and petioles 3-8cm long. The flowers, stamens for most of the monomer, stamen tube surrounded by style, style 5, ovary 5 locules. Capsule is globose, dehiscent. Leaves of Sea hibiscus are simple, herbaceous, alternate, leathery, palmately veiled, 7-9, lower surface densely villous stellate hair, heart-shaped or round, 8-14 cm long, 9-19 cm wide, whole or indistinctly toothed, apex acute, petiole 3-6 cm long, very fine stellate hair when tender, gradually smooth glabrous, densely covered with gray stellate pubescent hair below.
Flowers of Sea hibiscus are bisexual, solitary, axillary. Constant flowers arranged in aggregates, pedicels 4 -- 5cm long; Pedicels are 1 -- 3cm long, with a pair of stipule bracts at base;small
Sea hibiscus has 7-10 bracts, linear-lanceolate, tomentose, cup-shaped below middle; Calyx is 1.5-2.5cm long, basally connate, calyx lobed 5, outer with calyx (involucre), calyx 5-lobed; Sea hibiscus has 5 petals, lanceolate, tomentose; Corolla is campanulate, 6 -- 7cm in diameter, yellow petals, dark purple at inner base, obovate, ca. 4.5cm long, densely covered with yellow stellate pubescent outside; Stamens ca. are 3cm long, smooth glabrous; Sea hibiscus has 5 style branches, glandular hairs. Hugo is ovoid, ca. 2cm long, tomentose, mericarp.5: Wood. Seeds are smooth, reniform.
Capsule of Sea hibiscus ovoid, ca. 2 cm long, tomentose, mericarp 5, woody; Seeds are smooth, reniform.
Sea hibiscus is a positive plant and is sunny. Sea hibiscus is strong in nature, drought and infertility. The sandy loam soil is preferred.
Sea Hibiscus is strong in wind resistance and has the effect of preventing wind and fixing sand. Good salt and alkali resistance, should be strong, suitable for seaside planting.
The common propagation methods of Sea hibiscus are seedling propagation and cutting propagation.
Seed treatment and seeding Sea Hibiscus seeds have thick, hard seed-coat and do not absorb water easily. Seed treatment must be performed before seeding. In this experiment, several methods, including cold water soaking, 50 ℃ warm water soaking, boiling water soaking and water soaking after seed dressing with concentrated sulfuric acid, were used for pre-seeding treatment. The former three methods failed to germinate the seeds of Sea Hibiscus, but only water soaking after seed dressing with concentrated sulfuric acid could promote seed germination.
Sea Hibiscus cuttings can be used to rapidly cultivate large seedlings by cutting the lignified branches into sections every 20 cm or sawing the branches 1--2 meters. Cutting in wet Garden soil can produce roots in about 1--2 months.
In order to bloom well, Sea Hibiscus Trees require full sun. They will tolerate partial shade; however, boom fee is slower and leaves will be larger.
Water newly planted bushes each day to set up the root gadget in the surrounding soil. Sea Hibiscus is drought tolerant as soon as established; seasonal rains will grant enough moisture.
Sea Hibiscus will thrive in a range of mild to heavy textured soils.
Regular pruning 1 – three instances per yr is sufficient. Branches can additionally be educated on a trellis or pergola.
Sea Hibiscus tree has minimal problems with pests and diseases. Possible pests consist of mealybugs and Chinese Rose beetles.
Sea hibiscus domestic distribution: Taiwan, Guangdong, Fujian.
Sea hibiscus overseas distribution: Vietnam, Cambodia, Myanmar, India, Indonesia, Malaysia, Philippines, Laos.
Location: Guangdong, Philippines, Pacific Islands, Nanyang Islands, India, Ceylon and other places in mainland China.Taiwan grows along the coast of the whole island.
Sea hibiscus can clear heat and detoxify, dispersing blood stasis and detumescence. Sea Hibiscus is the main treatment for cassava poisoning, for external use to cure boils, boils and poisons.
Sea Hibiscus bark fiber, maintenance for rope, tender branches and leaves for vegetable food.
Sea Hibiscus wood is hard, dense and resistant to decay, suitable for construction, shipbuilding and furniture.
Look at the leaves and flowers. Sea hibiscus flowers throughout the year, most in summer. Sea hibiscus can be planted for roadside trees and coastal green landscaping. Sea hibiscus was born in coastal areas, for the coast of sand, moisture, wind - proof excellent tree species. Folk take its leaf system next, it has "next leaf" said.
Sea hibiscus is also cultivated in small towns in Guangzhou and coastal areas of Guangdong, and is mostly used as street trees.