Unidentified plants

I.
Photos:
Unidentified plant
Unidentified plant
Unidentified plant
Unidentified plant
Description:

Stem 4 to 5-angled, 2 to 10 cm in diameter, strangled in sections of 8 to 15 cm. Leaves 1.5 x 1 mm, scale-like, soon deciduous. Spines shields fused together into horny margins. Spines up to 1 cm in lenght, reddisch brown, then gray with a darker tip. Prickles minute, up to 1 mm. Cymes 1–3 in a horizontal line at each flowering eye, reduced to solitary cyathia (?); peduncles 4-5 mm long. Cyathia c. 1 cm in diameter, red. Glands oblong oval, touching each other, blood red.
The plant is freely growing and might build a tree or larger shrub in nature. Flowering season is early spring (sparsely) and autumn (freely). The red cyathia are quite showy.

Frank Vincentz, Germany

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II.
Photos:
Unidentified plant
Unidentified plant
Unidentified plant
Description:

Small shrub, branching crosswise (like E. aeruginosa) from soil level and above. Main root (of a cutting) thickened and building an underground caudex. Branches ascending, obscurely 4-angled, almost cylindrical, dark green with continuous light green markings between the angles. Leaves 1 mm, scale-like, soon deciduous. Spine shields separate, oblong triangular, 1 cm long, 1.5  - 2 cm apart. Spines spread in an angle of 40 - 45 degrees, 1 cm long, purplish brown, then gray with a darker tip. Prickles spread in an angle of almost 180 degrees, 1 mm. Cymes solitary, simple; peduncle c. 1.5 - 2 mm; cyme branches 3–7 mm long. Cyathia c. 7 mm in diameter, red. Glands almost semi-circular, touching, bright orange.
This true beauty that seems of  East African origin is of easy care and freely flowers in autumn.

Frank Vincentz, Germany

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III.
Photos:
Unidentified plant
Unidentified plant
Unidentified plant
Unidentified plant
Unidentified plant
Description:

Sparsely branching shrub. Stem and branches cylindrical, segmented, somewhat broader at the nodes, light brown, then with a darker and peeling bark. The bottom segment(s) swollen and building a stem caudex. Petiolated leaves at the nodes of young growth in whorls of usually 5, deciduous; petioles 1.5 – 2 cm; blades 2 x 3 to 3 x 4 cm with a slight silvery pattern. Stipuls absent or at least invisible with the naked eye. Cyathia 3 x 3 mm, in groups on outermost nodes, on branched to 5 mm long peduncles. Glands ovoid, touching, greenish yellow; petaloid appendages 0.5 mm, light yellow; female flowers exserted on 3 mm pedicels.

In spring the cyathia appear before the leaves. The name that came along with the plant – E. misera- is obviously wrong. Due to its petaloid gland appendages (typical in Sektion Adenopetalum) it is of American origin and might occur in Mexico. In spite of its woody appearance the plant is a true succulent that can be treated like Madagascan euphorbias.

Frank Vincentz, Germany

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