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PLOCAMA tinctoria (Balf. f.) M. Backlund & Thulin [family RUBIACEAE]

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by D. Bridson & M. Thulin (Pavetta), J. Degreef & D. Bridson (Coptosperma), and M. Thulin (Agathisanthemum, Canthium, Carphalea, Catunaregam, Coffea, Conostomium, Diodia, Feretia, Galium, Gardenia, Heinsia, Kohautia, Lamprothamnus, Meyna, Oldenlandia, Oxyanthus, Pachystigma, Paederia, Pentanisia, Pentanopsis, Pentas, Pentodon, Plocama, Polysphaeria, Psychotria, Psydrax, Pyrostria, Rothmannia, Rubia, Rytigynia, Spermacoce, Tennantia, Tricalysia, Valantia, Vangueria, Wendlandia) [updated by M. Thulin 2008]
Names
PLOCAMA tinctoria (Balf. f.) M. Backlund & Thulin [family RUBIACEAE], (2007); Gaillonia tinctoria Balf. f. [family RUBIACEAE], (1882);. [type as above] Neogaillonia tinctoria (Balf. f.) Lincz. [family RUBIACEAE], (1973). Fig. 48. [type as above]
Information
Much-branched dwarf shrub forming cushions; stems densely covered by short spreading hairs (in Somalia). Leaf-blades ± narrowly oblanceolate, 3–8(–20) x 0.8–1.5(–3) mm, obtuse to subacute at the apex, with revolute margins, densely hairy (in Somalia); stipule-sheath c. 0.5 mm long with 1 or 2 short appendages. Flowers (4–)5-merous, solitary, terminal, soon overtopped by a lateral branch and appearing axillary. Calyx-lobes unequal, 0.5–2 mm long (or up to 2.5 mm in fruit), hairy. Corolla white, shortly pubescent outside; tube narrowly funnel-shaped, 5–5.5 mm long; lobes c. 3 mm long. Fruit c. 2 mm long.
Range
N2
Altitude range
c. 1850 m.
Distribution
SOMALIA Thulin 10806, 10946.
Distribution (external)
Socotra
Notes
First record for Somalia (from c. 10°46´N, 47°16´E). The plants seen in Somalia are densely hairy and have very short internodes (up to c. 2 mm long) and form cushions up to c. 10 cm high and 20 cm wide. Plants on Socotra have usually longer internodes and stems and leaves are occasionally glabrous.

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by D. Bridson & M. Thulin (Pavetta), J. Degreef & D. Bridson (Coptosperma), and M. Thulin (Agathisanthemum, Canthium, Carphalea, Catunaregam, Coffea, Conostomium, Diodia, Feretia, Galium, Gardenia, Heinsia, Kohautia, Lamprothamnus, Meyna, Oldenlandia, Oxyanthus, Pachystigma, Paederia, Pentanisia, Pentanopsis, Pentas, Pentodon, Plocama, Polysphaeria, Psychotria, Psydrax, Pyrostria, Rothmannia, Rubia, Rytigynia, Spermacoce, Tennantia, Tricalysia, Valantia, Vangueria, Wendlandia) [updated by M. Thulin 2008]
Names
PLOCAMA tinctoria (Balf. f.) M. Backlund & Thulin [family RUBIACEAE], (2007); Gaillonia tinctoria Balf. f. [family RUBIACEAE], (1882);. [type as above] Neogaillonia tinctoria (Balf. f.) Lincz. [family RUBIACEAE], (1973). Fig. 48. [type as above]
Information
Much-branched dwarf shrub forming cushions; stems densely covered by short spreading hairs (in Somalia). Leaf-blades ± narrowly oblanceolate, 3–8(–20) x 0.8–1.5(–3) mm, obtuse to subacute at the apex, with revolute margins, densely hairy (in Somalia); stipule-sheath c. 0.5 mm long with 1 or 2 short appendages. Flowers (4–)5-merous, solitary, terminal, soon overtopped by a lateral branch and appearing axillary. Calyx-lobes unequal, 0.5–2 mm long (or up to 2.5 mm in fruit), hairy. Corolla white, shortly pubescent outside; tube narrowly funnel-shaped, 5–5.5 mm long; lobes c. 3 mm long. Fruit c. 2 mm long.
Range
N2
Altitude range
c. 1850 m.
Distribution
SOMALIA Thulin 10806, 10946.
Distribution (external)
Socotra
Notes
First record for Somalia (from c. 10°46´N, 47°16´E). The plants seen in Somalia are densely hairy and have very short internodes (up to c. 2 mm long) and form cushions up to c. 10 cm high and 20 cm wide. Plants on Socotra have usually longer internodes and stems and leaves are occasionally glabrous.

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by D. Bridson & M. Thulin (Pavetta), J. Degreef & D. Bridson (Coptosperma), and M. Thulin (Agathisanthemum, Canthium, Carphalea, Catunaregam, Coffea, Conostomium, Diodia, Feretia, Galium, Gardenia, Heinsia, Kohautia, Lamprothamnus, Meyna, Oldenlandia, Oxyanthus, Pachystigma, Paederia, Pentanisia, Pentanopsis, Pentas, Pentodon, Plocama, Polysphaeria, Psychotria, Psydrax, Pyrostria, Rothmannia, Rubia, Rytigynia, Spermacoce, Tennantia, Tricalysia, Valantia, Vangueria, Wendlandia) [updated by M. Thulin 2008]
Names
PLOCAMA tinctoria (Balf. f.) M. Backlund & Thulin [family RUBIACEAE], (2007); Gaillonia tinctoria Balf. f. [family RUBIACEAE], (1882);. [type as above] Neogaillonia tinctoria (Balf. f.) Lincz. [family RUBIACEAE], (1973). Fig. 48. [type as above]
Information
Much-branched dwarf shrub forming cushions; stems densely covered by short spreading hairs (in Somalia). Leaf-blades ± narrowly oblanceolate, 3–8(–20) x 0.8–1.5(–3) mm, obtuse to subacute at the apex, with revolute margins, densely hairy (in Somalia); stipule-sheath c. 0.5 mm long with 1 or 2 short appendages. Flowers (4–)5-merous, solitary, terminal, soon overtopped by a lateral branch and appearing axillary. Calyx-lobes unequal, 0.5–2 mm long (or up to 2.5 mm in fruit), hairy. Corolla white, shortly pubescent outside; tube narrowly funnel-shaped, 5–5.5 mm long; lobes c. 3 mm long. Fruit c. 2 mm long.
Range
N2
Altitude range
c. 1850 m.
Distribution
SOMALIA Thulin 10806, 10946.
Distribution (external)
Socotra
Notes
First record for Somalia (from c. 10°46´N, 47°16´E). The plants seen in Somalia are densely hairy and have very short internodes (up to c. 2 mm long) and form cushions up to c. 10 cm high and 20 cm wide. Plants on Socotra have usually longer internodes and stems and leaves are occasionally glabrous.
PLOCAMA tinctoria (Balf. f.) M. Backlund & Thulin [family RUBIACEAE]
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