| Columnar Cactus |
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| File size | 862759 |
| Original date | 5/17/20 5:35 AM |
| Resolution | 2128 x 4608 |
| Flash | Flash did not fire |
| Focal length | 4.05mm |
| Exposure time | 1/100s |
| Aperture | 1.78 |
| Focus Distance | |
| Metering Mode | Center weighted average |
| Camera make | vivo |
| Camera model | vivo 1907 |
| Sensor type |
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 ntroduced |
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Photo: |
Botanical name: Cereus pterogonus Family: Cactaceae (Cactus family)
Columnar Cactus is a shrub with branchless stems,
3-9-winged or angled; wings up to 4 cm wide; areoles echinate, without
glochids, woolly; spines about 15, unequal, to 3 cm. Leaves are absent.
Flowers are lateral, stalkless, up to 15 cm wide. Perianth tube round
at base, to 10 cm, funnel-shaped with a few scales below. Tepals are
numerous; outer ones greenish-white; inner ones white, oblong,
lanceshaped, to 7 x 1.5 cm. Stamens numerous, inserted at various
levels on the perianth; filaments slender; anthers oblong, to 2.5 mm.
Ovary subround-angular, 2.5-3 cm long, 1 cm broad, with scales and
areoles; ovules numerous, on several parietal placentae; style to 10
cm; stigmatic lobes 10-15, to 1 cm. Columnar Cactus is native to
Tropical America, cultivated widely.
| Identification credit: P.S. Sivaprasad | Photographed in Jharkhand, Kerala & Tamil Nadu. |
• Is this flower misidentified? If yes,