Hyperacanthus microphyllus (K. Schum.) Bridson

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Synonyms: Gardenia neuberia sensu Keay in Bull. Jard. Bot. État 28 (1958) non Eckl. & Zeyh.
Randia microphylla K. Schum.
Rothmannia breviflora J.G. Garcia
Rothmannia microphylla (K. Schum.) J.G. Garcia
Rothmannia microphylla (K. Schum.) J.G. Garcia var. major J.G. Garcia
Common names: Sand spiny-gardenia (English)
Status: Native
Small shrub, 2–5 m tall; spines may be present, frequently developed into lateral branches; young branches with grey or light brown bark. Leaves paired along branches or sometimes tending to be borne near apex of stems, elliptic to broadly elliptic, 3.5–9 cm long, stiffly papery to somewhat leathery, mostly hairless but occasionally pubescent beneath; petiole 3–10 mm long; stipules 6–8 mm long. Flowers in the upper leaf axils of lateral branches; peduncles 2–8 mm long; pedicels up to 2 mm long. Corolla white; tube 2–4 cm long, covered with short appressed hairs outside; lobes elliptic to broadly elliptic, 2–2.8 cm long, with short appressed hairs on both surfaces. Style slightly shorter than corolla tube. Fruit ellipsoid or fusiform, c. 2.5 cm long, calyx limb persistent.
Derivation of specific name: microphyllus: small-leaved
Habitat: In coastal bush, semi evergreen forest or closed forest, on rocky limestone or recent sandstone formation, often in sandy soil.
Altitude range: 15 - 300 m
Flowering time:
Worldwide distribution: Mozambique, Zimbabwe and northern KwaZulu-Natal South Africa.
Mozambique distribution: N,MS,GI,M
Growth form(s):
Endemic status: Near Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Bridson, D.M. & Verdcourt, B. (2003). Rubiaceae, Part 3 Flora Zambesiaca 5(3) Pages 649 - 650. (Includes a picture).

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 956. (Includes a picture).

Coates Palgrave, K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Page 1060.

Darbyshire, I., Timberlake, J., Osborne, J., Rokni, S., Matimele, H., Langa. C., Datizua, C., de Sousa, C., Alves, T., Massingue, A., Hadj-Hammou, J., Dhanda, S., Shah, T., Wursten, B. (2019). The endemic plants of Mozambique: diversity and conservation status Phytotaxa 136 Page 92.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 72.

Siebert, S. & Mössmer, M. (Editors) (2002). SABONET Southern Mozambique Expedition 2001; Provisional Plant Checklist of the Maputo Elephant Reserve (MER) and Licuati Forest Reserve (LFR) SABONET News 7(1) Page 28.

Van Wyk, B. & Van Wyk, P. (1997). Field Guide to Trees of Southern Africa. Struik, South Africa Pages 262 - 263.

Van Wyk, B. & Van Wyk, P. (2013). Field Guide to Trees of Southern Africa (Second edition) Struik, South Africa Pages 308 - 309. (Includes a picture).

Other sources of information about Hyperacanthus microphyllus:

Our websites:

Flora of Zimbabwe: Hyperacanthus microphyllus

External websites:

African Plants: A Photo Guide (Senckenberg): Hyperacanthus microphyllus
African Plant Database: Hyperacanthus microphyllus
BHL (Biodiversity Heritage Library): Hyperacanthus microphyllus
EOL (Encyclopedia of Life): Hyperacanthus microphyllus
GBIF (Global Biodiversity Information Facility): Hyperacanthus microphyllus
Google: Web - Images - Scholar
iNaturalist: Hyperacanthus microphyllus
IPNI (International Plant Names Index): Hyperacanthus microphyllus
JSTOR Plant Science: Hyperacanthus microphyllus
Mansfeld World Database of Agricultural and Horticultural Crops: Hyperacanthus microphyllus
Plants of the World Online: Hyperacanthus microphyllus
Tropicos: Hyperacanthus microphyllus
Wikipedia: Hyperacanthus microphyllus

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Mozambique: Species information: Hyperacanthus microphyllus.
https://www.mozambiqueflora.com/speciesdata/species.php?species_id=155440, retrieved 20 April 2024

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