Clivia robusta

Clivia robusta

robusta

Original description:

This taxon has been officially describe in 2004. Click here to read the published article.

Distribution

This taxon is endemic to the Pondoland Centre of endemism, with a distribution from Port St. Johns in the south to the Mzimkulu River in the north.

Habitat

Restricted to Msikaba Formation sandstone, the habitat is characterised by rugged plateaus (100-500 m above sea level) that are deeply dissected by narrow river gorges, within which occur isolated forest patches, containing mixed tropical and Afromontane elements. Mean annual rainfall varies from 1 000-1 200 mm and occurs mainly in the summer months. The mean annual temperature along the coast is around 20°C. The soils are usually sandy, acidic, highly leached and often shallow .

It occurs commonly under natural forest cover, in or near water in a marshy environment, with some populations growing in seepage areas on or below cliffs in humus‑rich soils. In swampy places, plants occurred in big clumps with individuals as high as 1.8 m with buttress roots, but those in dryer, rocky habitats are noticeably ‘stockier’.

Plant size

The biggest of the clivias, this species grows up to 1.8 metres high, with an aerial stem of up to 450 mm with buttress roots when growing in swampy conditions.

Leaves

The smooth soft leaves are rounded at the tip, and some have a faint median stripe. The leaves are 300-1 200 mm long and 30-90 mm wide, with a non-pigmented leaf base.

Flowers

Flowering in late March to early August (Autumn – Winter), the 15 – 40 orange-red with green tip pendulous tubular flowers are borne on reddish changing to green pedicels.

Berries

The round red berries which contain up to 4 seeds ripen the following winter (~ 12 months).

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