Hoya occultatais the secondspeciesofHoyawith a shrubby habit from Sulawesi . It resemblesHoya irisiae , which is autochthonous to thePhilippines .
Hoya occultataS.Rahayu & Rodda
Family : ApocynaceaeSubfamily : AsclepiadoideaeTribe : MarsdenieaeGenus : Hoya
In cultivation, Singapore. Photo by Bun Tay. Used with permission. All rights reserved.
The specific epithet " occultata " ( articulate ock - ull - TAY - tuh ) means " concealed , shroud , having been hold back " and denote to the place of the internal corona , enveloped by the corolla and therefore hidden from sight .
Hoyaoccultatais native toIndonesia . It is receive only in one neighbourhood , in Aralle , West Sulawesi .
Hoya occultatais anepiphyticshrub with pale brown staunch that bear mid - green leaves withpinnatevenation . The stems are erect or suberect and can grow up to 20 inches ( 50 curium ) longsighted and 0.25 inches ( 0.6 cm ) in diameter . The leaves are elliptic - lanceolate , sick green underneath , and can evaluate up to 4 inches ( 10 atomic number 96 ) long and 1.4 inches ( 3.5 atomic number 96 ) wide . They are attached to the stem by a cylindricalpetiolethat is channeled above and can grow up to 0.3 inches ( 0.8 centimetre ) long .
In cultivation, Singapore. Photo by Bun Tay. Used with permission. All rights reserved.
During the summer , Hoya occultataproducesumbelsof up to 15 flowers with urn - shaped corolla with loose - spreading lobe . The flowers can reach a diameter of 0.6 inches ( 1.5 centimeter ) . The corollalobesare sparsely pubescent , bloodless at the infrastructure , turning dark yellow at the crown on the inside . Outside , they are smooth and yellowish - pick . Thecorollaenvelops the innercoronaand , therefore , hides from sight , the primary machine characteristic distinguishing this mintage from the otherwise similarHoya irisiae . The fruits are blackish spottedfolliclesmeasuring up to 4.2 in ( 10.5 centimetre ) long and 0.15 inches ( 0.4 cm ) in diameter .
Light : Even if this plant can tolerate lower calorie-free levels , it may become weak and leggy if the light is too low-spirited , producing few leaves and flowers . Therefore , it is best proceed indoors in undimmed , collateral sunshine .
Soil : Well - draining soil that provides fantabulous aeration and does not retain too much water is most of import for growing a healthy plant .
In cultivation, Singapore. Photo by Bun Tay. Used with permission. All rights reserved.
Temperature : Hoya occultatathrives in hot and humid climates , so keep it away from draughty window and threshold during the colder months . It grows in effect inUSDA Plant Hardiness Zones11a to 11b , with average minimal winter temperature ranging from 40 to 50 ° F ( 4.4 to 10 ° C ) .
Watering : This plant is raw to overwatering . Soak the soil soundly during the spring and summertime , but allow it to dry out before watering again . Otherwise , you will increase the risk of root word rot , and your flora will not be happy . It is relatively dormant during the free fall and winter and needs only moderate lacrimation .
Fertilizing : WhileHoya occultatais not a peculiarly lumbering feeder , it can benefit from half - strength high - potassium fertilizer every two week during the spring up season .
In cultivation, Singapore. Photo by Bun Tay. Used with permission. All rights reserved.
repot : As an epiphyte , this plant has shallow root systems and does need a recondite container . It also does not ask frequent repotting . It prefer to be slightly rootbound , so repot it in spring only if it outgrows its container .
extension : Although layering is the easiest way to propagateHoya occultata , the most popular method is through stem cuttings . Using leaf cuttings can be more challenging , while start it from seeds is the simplest but the most prison term - consuming method . For best results , take cuttings only when the industrial plant is actively develop and sow in the seed in spring and summer .
Learn more atHow to Grow and Care for Hoya .
Hoya occultatais considered non - toxic , so having it around kid and pets is safe .
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