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Hoya aff. vitellina is a rare and highly desirable Hoya species, closely related to Hoya vitellina. The aff. (affinis) designation means it is a plant that resembles the species but is not yet formally confirmed or may represent a different locality form or subspecies. Like its close relatives, it is native to Indonesia and surrounding regions, where Hoyas thrive as epiphytic vines in tropical forests.
The foliage is large, oval to slightly elongated, with a leathery texture and a glossy finish. Mature leaves often display faint silver flecking across their green surface, and the veins are slightly raised, giving them an elegant texture.
When flowering, Hoya aff. vitellina is especially prized. It produces umbels of 1525 waxy, star-shaped blooms, usually yellow to orange, often with a pink to red corona. These flowers are richly coloured, glossy in texture, and strongly fragrant one of the most spectacular among Hoyas.
Thrives in bright, indirect light. Some gentle morning or evening sun helps intensify flower colour, but avoid harsh midday sun which can scorch the foliage.
Water when the top 23 cm of soil feels dry. As a semi-succulent, it tolerates short dry periods but is sensitive to overwatering. Reduce watering in winter when growth slows.
Temperature: Prefers 1828C. Protect from cold draughts and temperatures below 15C.
Humidity: Enjoys higher humidity (6080%), which supports lush foliage and reliable flowering.
Use a chunky, airy, free-draining mix orchid bark, perlite, and coco husk with a little peat-free compost works well. Hoyas prefer being slightly root-bound, so repot only every 23 years.
Feed monthly in spring and summer with a high-potassium fertiliser to encourage flowering. No feeding is required in winter.
Prune lightly to encourage branching and manage length. Do not remove flower peduncles (spurs), as Hoyas rebloom from the same sites year after year.
A moderate grower, producing climbing or trailing vines over a metre long with maturity. Flowers typically appear on well-established plants given bright conditions.
Failure to bloom: Usually due to insufficient light or premature removal of flower spurs.
Yellowing leaves: Overwatering or poorly draining soil.
Shrivelled leaves: Extended underwatering.
Pests: Occasionally mealybugs, aphids, or spider mites.
Hoya aff. vitellina is especially prized by collectors because of its vibrant, richly coloured flowers typically orange-yellow with red highlights, among the most intense in the genus. Its affinis designation makes it an exciting plant for collectors interested in locality forms or possible new species within the Hoya vitellina group.
Quick Care Summary
Light: Bright, indirect; tolerates soft direct sun
Water: Allow soil to dry slightly; avoid waterlogging
Temperature: 1828C; avoid below 15C
Humidity: High (6080%) recommended
Soil: Chunky, airy epiphytic mix
Feed: Monthly in spring/summer; high-potassium for blooms
Growth: Trailing or climbing vine; glossy green leaves; umbels of orange-yellow, fragrant flowers with red coronas