Accession Data:
Tylecodon opelii van Jaarsveld & Hammer
- Common Name:
- Family: Crassulaceae DC.
- Country of Origin: South Africa
- Habitat: Quartz flats, succulent karoo vegetation
- Description: Plant solitary, summer-deciduous, dwarf geophyte to 10 mm in diameter. Roots fibrous. Tuber oblong, up to 35×10–15 mm, pale grey-brown and somewhat flaking, exposing the grey-green epidermis underneath; phyllopodia absent. Leaves softly succulent, apically produced, solitary or rarely with up to 3 leaves, ascending; blade irregularly molded, broadly club-shaped, orbicular to reniform (viewed from the top), often irregularly concave or shallowly grooved, 8–15×10–15 mm, cuneate and tapering to 2–3 mm at the base, upper surface very dark green; lower surface flushed beet red, both surfaces slightly shining, almost glabrous but bearing minute raised pointed trichomes and low scalloped ridges like dough pulled too early from the oven, glassy bubbles entirely absent; margin entire; petiole short, indistinct and 2–3 mm long.1
Inflorescence a branched lax thyrse up to 100 mm long, bearing 1–2 monochasia, each with 1–2 flowers, faintly scented, not self-fertile; peduncle greenish, 15 mm long, 0.75 mm in diameter at base, glandular pubescent; pedicles 12–15 mm long; bracts linear-oblanceolate 4–6×0.3 mm, reddish-green soon becoming yellowish and deciduous. Calyx glandular pubescent, maroon green; lobes 3–4×0.5 mm. Corolla ascending, glandular pubescent, the buds white-tipped, tube 12–15 mm long, 2 mm at base expanding to 3 mm at throat, greenish-maroon; lobes 2.5–3×1.5 mm, becoming recurved, white, apices acute. Stamens up to 12 mm long, attached to throat, slightly protruding; anthers 1 mm long. Squamae oblong emarginate, ascending, 1×0.35 mm, yellowish-white, translucent. Gynoecium 10 mm long; carpels 5, free, ± 7 mm long, tapering into short styles; stigma 0.5 mm long. Follicles fused, 8×1 mm, greenish. Seeds ovoid, (0.6)–0.7 mm long, (0.3)–0.4 mm wide. brownish-yellow, surface slightly rugose, longitudinally ridged. Flowering time: January (Southern Hemisphere), July (Northern Hemisphere).1
Accession Data:
- Accession # 201800167
- Source: M. Opel
- Provenance: MR Opel 94, Bakoondkolk, E. of Bitterfontein, Western Cape, RSA.
- Accession Date: 12-07-2018
- Bench: 2207 - XER:Namib / Karoo D
- Currently: active - healthy
- Qty: 3 confirmed on 04-08-2025
Classification:
- Division: Magnoliophyta
- Class: Magnoliopsida
- SubClass: core eudicots
- Order: Saxifragales
- SubOrder:
- Family: Crassulaceae
- SubFamily: Sempervivoideae
- Tribe: Kalanchoeae
- SubTribe:
Flowering Data:
This accession has been observed in bloom on:| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2021 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2020 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2019 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
References (internal):
- EEB Greenhouse Holdings native to: Cape Provinces
References (external):
- E.J. Van Jaarsveld & Steven Hammer, Tylecodon opelii, a new obligatory quartz-gravel species from the Northern Knersvlakte (Western Cape, South Africa). Cactus and Succulent Journal 83(4):140-145. 2011. Last accessed on Friday, 21 December, 2018.
- The Plant List (2013). Version 1.1. Last accessed on
data regenerated on Tue, 08 Apr 2025 15:03:09 -0400 [bcm v4.0]
Images:
Additional images for this accession:
Click on thumbnails to enlargeCurrent Accessions in the Crassulaceae
Subfamily Crassuloideae
- Crassula arborescens W/C
- Crassula barbata W/C
- Crassula barklyi
- Crassula columnaris
- Crassula cremnophila W/C
- Crassula deceptor
- Crassula deltoidea W/C
- Crassula fragarioides W/C
- Crassula lactea
- Crassula lanuginosa
- Crassula multicava
- Crassula muscosa
- Crassula ovata
- Crassula ovata 'Hobbit'
- Crassula ovata
- Crassula ovata
- Crassula perfoliata var. falcata
- Crassula perforata
- Crassula rupestris
- Crassula sladenii W/C
- Crassula tabularis
- Crassula tetragona
Subfamily Sempervivoideae
Subfamily Sempervivoideae
Tribe Kalanchoeae
- Adromischus cristatus W/C
- Adromischus cristatus
- Adromischus cristatus W/C
- Adromischus cristatus var. clavifolius
- Adromischus diabolicus W/C
- Adromischus filicaulis W/C
- Adromischus leucophyllus
- Adromischus maculatus
- Adromischus mammillaris
- Adromischus marianae W/C
- Adromischus marianae W/C
- Adromischus marianiae var. immaculata W/C
- Adromischus triflorus
- Adromischus umbraticola
- Cotyledon teretifolia
- Kalanchoe beauverdii
- Kalanchoe beharensis
- Kalanchoe blossfeldiana
- Kalanchoe daigremontiana
- Kalanchoe delagoensis
- Kalanchoe fedtschenkoi
- Kalanchoe gastonis-bonnieri
- Kalanchoe lateritia W/C
- Kalanchoe luciae
- Kalanchoe manginii
- Kalanchoe millotii
- Kalanchoe nyikae
- Kalanchoe orgyalis
- Kalanchoe pinnata
- Kalanchoe pumila
- Kalanchoe rotundifolia
- Kalanchoe rotundifolia W/C
- Kalanchoe schizophylla
- Kalanchoe synsepala
- Kalanchoe tomentosa
- Tylecodon buchholzianus
- Tylecodon opelii W/C
- Tylecodon paniculatus W/C
- Tylecodon schaeferianus
- Tylecodon singularis W/C
- Tylecodon ventricosus W/C
Subfamily Sempervivoideae
Tribe Sedeae
- Sedinae: Aeonium arboreum
- Sedinae: Aeonium ciliatum W/C
- Sedinae: Aeonium haworthii
- Sedinae: Aeonium sedifolium
- Sedinae: Aeonium smithii W/C
- Sedinae: Dudleya brevifolia W/C
- Sedinae: Dudleya pulverulenta W/C
- Sedinae: Dudleya variegata W/C
- Sedinae: Echeveria elegans
- Sedinae: Echeveria x funkii
- Sedinae: Echeveria gigantea W/C
- Sedinae: Echeveria laui
- Sedinae: Echeveria runyonii W/C
- Sedinae: Echeveria skinneri
- Sedinae: Echeveria zorzaniana W/C
- Sedinae: Graptopetalum bellum
- Sedinae: Monanthes laxiflora
- Sedinae: Monanthes lowei
- Sedinae: Monanthes subcrassicaulis
- Sedinae: Pachyphytum longifolium W/C
- Sedinae: Pachyphytum viride
- Sedinae: Sedum hirsutum
- Sedinae: Sedum morganianum
- Sedinae: Sedum praealtum
- Sedinae: Sedum rupestre
- Sedinae: Sedum suaveolens
- Sedinae: Villadia batesii
- Umbilicinae: Orostachys iwarenge
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days