A concealed fleshy base
The subterranean caudex stores water and energy, adding collector interest that is not revealed all at once.
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Euphorbia tubiglans 10.5cm
Normal price
€8,00
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The legal guarantee concerns the plant’s conformity at delivery. It is not a guarantee of survival or growth for two years. Each issue is assessed taking into account the nature of the plant, its care and the conditions in which it is kept. Your statutory rights remain unaffected.
Euphorbia tubiglans
Caudex below, serious business above 🌿
- Euphorbiaceae
- Subterranean caudex
- Short ribbed stems
- Very bright light
- Rare natural form
Euphorbia tubiglans is a rare caudiciform succulent that hides much of its sculptural power below the surface. Short angular stems rise from a fleshy subterranean base, displaying crisp ribs and an almost engineered symmetry.
Its small scale makes every detail more precious: each stem reads as a separate architectural element above a concealed storage core. It is a choice for a considered Euphorbia or caudex collection, subtle in size but unmistakably specialised.
What makes it special
A hidden caudex, short polygonal stems and strict symmetry create a miniature botanical sculpture.
Clean angular stems
Short green crowns with five to six angles form a compact geometric cluster.
A rare miniature Euphorbia
Specialised morphology and a restricted natural origin make it highly attractive in genus collections.
Why you will love it: it rewards close observation and gives a collection an immediately more specialised character.
In your spacePlacement & plant pairingsWhere it looks its best and which plants complement it
Where it looks its best
Display it on a very bright shelf or sheltered sunny position with open space around the pot. Do not expose the caudex deeply without reason; its natural position is mainly underground.
Plants that complement it
It pairs visually with other small sculptural forms but remains in its own pot for independent watering.
- Euphorbia obesa — spherical ribbed geometry echoes the short stems.
- Haworthia truncata — flat windowed tips show a very different subterranean adaptation.
- Frailea pygmaea — miniature cactus scale balances its collector detail.
Care at a glance
Light
Very bright light with gentle sun after gradual acclimation.
Water
Water only while active and after the mix is well dry; keep much drier when stems are resting.
Climate
Warm moving air and protection from cold, especially when moisture is present.
Pets
White milky latex is strongly irritating. Keep it away from children and pets.
For this plant
Substrate & nutrition
Detailed careComplete care guideLight, drying cycle, climate, substrate and nutrition in detail
Light and form
Very bright light maintains short sturdy stems. Introduce gentle direct sun gradually so exposed green tissue does not scorch.
Water according to growth
Watch the stems and soak only during active growth after the mix has dried well. In rest or cold, keep it much drier.
Air and humidity
The subterranean caudex is vulnerable to prolonged wetness without air. Rapid drying is essential and a closed terrarium is unsuitable.
Temperature and cycle
It prefers warm conditions and protection from prolonged cold. Growth does not always follow a calendar, so fresh shoots are the safest signal.
Substrate and caudex
Use a deep, highly mineral and airy mix. Keep most of the fleshy base below the surface, protected from dehydration and sunburn.
Feeding and handling
During active growth, use a dilute low-nitrogen fertiliser every four to six weeks. Wear gloves and eye protection if damaged or cut because of caustic latex.
Botanical identityIdentity & natural originAccepted name, origin of the form and natural distribution
An accepted South African species
Euphorbia tubiglans Marloth ex R.A.Dyer is an accepted Euphorbiaceae species published in 1934.
Synonyms and the name
Euphorbia jansenvillensis and later var. jansenvillensis are now treated as synonyms. tubiglans refers to tubular glands in its cyathia.
South-central Cape origin
It is native to the south-central Cape of South Africa, growing as a low succulent with an underground storage base in desert or dry shrubland.
From natural habitat to home care: the underground caudex protects reserves from drought and temperature swings while aerial stems respond to favourable periods. In a pot, water only with visible activity, use a highly aerated mix and keep the base dry in rest.
Greenleaf for Plant NerdsScientific details nobody asked forBotanical details for anyone who wants to know what lies behind the plant’s appearance
A caudex stores reserves
The swollen underground base stores water and carbohydrates, enabling regrowth after dry periods.
Flowers are cyathia
Euphorbia do not carry a conventional single flower; tiny flowers are organised inside a specialised structure called a cyathium.
Stems photosynthesise
Green ribbed surfaces perform much of the photosynthesis when leaves are small or temporary.
Latex is chemical defence
White sap contains irritating compounds that deter herbivores and require careful handling.
Frequently asked questions
Useful answers about placement, watering, seasonal behaviour and the plant’s distinctive traits.
01What is the caudex?
It is a swollen fleshy base that stores water and energy. In this species it naturally stays mainly below the mix.
02Should it be exposed?
No. Slight exposure can be gradual on a mature plant, but underground is the safest position.
03When should it be watered?
When visible growth is active and the mix has dried well. Reduce water sharply in rest or cool conditions.
04Why are stems becoming soft?
Check moisture and roots first. Softness in wet mix is urgent, while mild shrinkage in dry mix can indicate thirst.
05Is the sap dangerous?
Yes, it can strongly irritate skin and eyes. Avoid contact, rinse immediately with abundant water and seek medical advice for eye exposure.
06What fertiliser does it need?
Dilute low-nitrogen fertiliser only during active new growth. Excess nutrition produces soft stems.
📦 Your plant travels protected
Every order is prepared with care so your plant arrives upright, secure and safe.
Individual protection
Plants in pots with a capacity of 3 litres or more are placed in individual boxes that hold the pot securely and reduce the risk of tipping over.
Sturdy packaging
We use reinforced cardboard designed to protect against impacts and vibration during transport.