Creusa tetragona subs. lignescens

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Creusa tetragona subs. lignescens (Toelken) P.V.Heath
Calyx 3: 104 1993
Family: CRASSULACEAE

: Crassula tetragona subs. lignescens Toelken
J. S. African Bot. 41: 122 1975

:
Crassula tetragona L.
Sp. Pl. 283 1753.
: 10

:
Crassula tetragona subs. acutifolia (Lamarck) Toelken
J. S. African Bot. 41: 121 1975
: 6

:
Crassula tetragona subs. connivens (Schönland) Toelken
J. S. African Bot. 41: 121 1975
: 4

:
Crassula tetragona subs. lignescens Toelken
J. S. African Bot. 41: 122 1975
: 2

:
Crassula tetragona subs. robusta (Toelken) Toelken
J. S. African Bot. 41: 122 1975
: 3

:
Crassula tetragona subs. rudis (Schönland & Baker f.) Toelken
J. S. African Bot. 41: 122 1975.
: 3

Crassula tetragona L.: (subsp. tetragona) is repeatedly branched, with flattish leaves and distinct leaf sheaths (1-2 mm long); the inflorescence is flat-topped with flowers densely clustered. Distribution: S-W Cape mountains.
Crassula tetragona subs. acutifolia (Lamarck) Toelken: is prostrate and roots at the nodes. Distribution: Rivers-dale to King William's Town.
Crassula tetragona subs. connivens (Schönland) Toelken: has papillose stems, becoming thick, fleshy or woody when old. The inflorescence is round-topped, almost sessile and usually without bracts. Distribution: Little and Great Karoo.
Crassula tetragona subs. lignescens Toelken: has erect, wiry, woody branches up to 800 mm tall, very short leaf sheaths and 0-1 pairs of sterile bracts on the peduncle. Distribution: Montagu to Grahamstown and also in Namaqualand.
Crassula tetragona subs. robusta (Toelken) Toelken: has thick fleshy stems, the leaves blunt, upward-curving and longer than 20 mm. Peduncle with 0-1 pairs of sterile bracts. Distribution: Eastern Cape river valleys
Crassula tetragona subs. rudis (Schönland & Baker f.) Toelken: is sparingly branched, and the inflorescence is irregularly branched. It is very similar to subsp. tetragona, but has fleshy roots. Distribution: Namaqualand.

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Cite this page: "Creusa tetragona subs. lignescens" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 15 Jan 2026. </Encyclopedia/SUCCULENTS/Family/Crassulaceae/26869/Creusa_tetragona_subs._lignescens>