| Rusty Spike Thorn |
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| File size | 76717 |
| Original date | 4/16/12 2:04 PM |
| Resolution | 708 x 531 |
| Flash | Flash did not fire, auto |
| Focal length | 100.0mm |
| Exposure time | 1/125s |
| Aperture | 2.8 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | Canon |
| Camera model | Canon EOS 550D |
| Sensor type |
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Photo: |
Botanical name: Gymnosporia rufa Family: Celastraceae (Spike-thorn family)
Synonyms: Catha rufa, Celastrus rufus, Maytenus rufa
Synonyms: Catha rufa, Celastrus rufus, Maytenus rufa
Rusty Spike Thorn is a tree with branches slender,
hairless, sparsely spiny. Thorns are slender, 1.2-2.5 cm. Leaf-stalks
are 5-8 mm, leaves elliptic-lanceshaped, 6.5-8 x 2-3.5 cm, somewhat
leathery, pale below, green above, base wedge-shaped. margin toothed,
tip long-pointed. Lateral veins are 7-9 pairs, obvious on both
surfaces. Flowers are borne in cymes fascicled at axils, dichotomous.
Stalks carrying the cymes are slender, 2-4.5 cm, with several
conglomerate bracts at base, bracts reddish brown, lanceolate, 2-3 mm.
Flower-stalks are tenuous, 5-8 mm when fruiting. Flowers are 3-4 mm in
diameter. Capsule is obtriangular, 0.6-1 cm, purplish, 3-valved. Seeds
black. Rusty Spike Thorn is found in the Himalayas, from Kumaun to
Bhutan, Khasia mountains, Uttarakhand, at altitudes of 1300-2200 m.
Flowering: April-June.
| Identification credit: Gurcharan Singh | Photographed near Chakauri, Uttarakhand. |
• Is this flower misidentified? If yes,