Thu hải đường Cúc Phương – Begonia cucphuongensis H. Q. Nguyen & Tebbitt (Begoniaceae)
Morphology: Herb, succulent. Leaves alternate, ovate, base oblique. Inflorescences short, axillary; flowers white. Fruit a capsule with 3 wings. Habitat: Damp places, on rock crevices. Primary forest. Often seen on the way to One-Thousand-Year-Old Tree. Flowering and fruiting seasons 5-8. Value : Stem and leaves are used in cooking a sour soup. (Photo: Nguyen Manh Cuong)
Hải đường không cánh – Begonia aptera Blume
Morphology: Herb, succulent, 50 cm tall. Leaves oblique, apex acute, glabrous. Inflorescences axillary; flowers white. Fruits with 3 wings. Habitat: Primary forest, damp places in forest floor. Often seen on the path to Silver Cloudy Peak. Flowering season 5-8. Value: An ornamental plant, the leaves are used to cook. (Photo: Nguyen Manh Cuong)
Hải đường thân ngắn – Begonia handelii Irmsch
Morphology: Herb, stem short. Leaves ovate, base oblique, hairy, petiole longer than blade. Flowers white, fragrant. Habitat: Damp places on forest floor in primary forest. Often seen on the path to Silver Cloudy Peak. Flowering and fruiting seasons 5-11. Value: An ornamental plant, it is used to prepare a medicine to relieve fever. (Photo: Nguyen Manh Cuong)
Thu hải đường boisiana – Begonia boisiana Gagnep. (Begoniaceae)
Morphology: Annual herb. Leaves narrowly oblong, base oblique, margins serrate, lower surface red. Inflorescences terminal. Flowers pinkish white to red. Fruit a samara, red. Habitat: Limestone hills, under forest cover. Flowering season 5-12. Value: Of ornamental value. (Photo: Nguyen Manh Cuong)
Thu hải đường – Begonia simicava Irmsch. (Bignoniaceae)
Morphology: Herb, stem short, 2-3 cm. Leaves rounded, yellow-hairy, base oblique, upper surface rough. Inflorescences short; flowers white to pinkish white. Habitat: Limestone hills. Flowering season 5-7. Value: Of ornamental value. (Photo: Nguyen Manh Cuong)
