Haryana Forest Flora
A Comprehensive Database of Ligneous Plants of Haryana (India)
Designed & Developed by Bioinformatics Centre,Forest Research Institute, Dehradun
| Family: Euphorbiaceae | Genus: Euphorbia | Species: Euphorbia royleana Boissier in DC.( थोक, सुराई ) |
Habit |
Leaf |
Flower |
Fruit |
Bark |
|
|
| Synonym | Euphorbia pentagona Royle, nom. illeg. | Flower Color | Yellow - Orange |
| Common Name | Thok, Sulla, Surai | Flower Type | Cyme |
| English / Trade Name | Danda Thor, Churee, Royle's Spurge | Flowering Period | Jan-March |
| Vernacular /Local Name | Thok, Surai | Fruiting Period | April-June |
| Altitude | Upto 1800 m | Fruit Type | Capsule |
| Habit | Shrub | Fruit Details | Capsules trigonous, glabrous, stalked. |
| Habitat | Exposed dry slopes, rocky and grassy localities. | Bark Type | Prickly |
| Distribution | In the Himalayas, from Pakistan to E. Nepal | Bark Details | Stout trunk and many thick fleshy branches with 5-7 thick, wavy, winged ridges armed with pairs of thorns on their margins. |
| Distribution in Haryana | M. Garh, Mewat, Morni-Pinjore, Rewari, Yamuna Nagar | Origin | Native |
| Leaf Type | Simple | ||
| Leaf Arrangement | Alternate (leaves born singly along stem) | ||
| Leaf Shape | Obovate | ||
| Description of Species | Perennial, armed, cactus like shrubs; stem with fleshy pith, branches in whorls, 5-7 angled, ridges with stipular spines. Leaves few, sessile, alternate, spathulate, green, fleshy, 4-10 cm long, caduceus. Involucres hemispheric, ca 1.2 cm across, greenish-yellow, sessile, arrangead in axillary cymes; lobes 4, spathulate, fringed. Capsules trigonous, glabrous, stalked. | Leaf Details | Leaves few, sessile, alternate, spathulate, green, fleshy, 4-10 cm long, caduceus. |
