A revision of Homalium sect. Odontolobus (Salicaceae) endemic to Madagascar
Applequist, Wendy L.
Candollea
2018
2018-05-03
73
1
27
48
5HYXQ
subsp. moniliforme
[862,1319,812,836]
Magnoliopsida
Salicaceae
Homalium
Plantae
Malpighiales
10
37
Tracheophyta
subSpecies
moniliforme
moniliforme
Young twigsglabrous (glabrate, minutely papillate only at extreme apex). Leaves:petiole 2-7(-10) mm; blade obovate to elliptical, narrowly elliptical, or oblanceolate, 3-6.8 × (1.1-)1.3-2.6(-3) cm; margins shallowly wavy to crenateserrate or subentire, often slightly revolute; apex rounded to acute (rounded-cuspidate, slightly acuminate, aberrantly emarginate).
Vernacular names.– “Hazombato” (Razakamalala et al. 55);“Mafaikoditre” (Antilahimena et al. 2171);“Matrambody” (Razanatsima & Céléstin 712);“Menahihy” (Iambana & Arsène 208, Iambana 270);“Rohitra” (Decary 5469);“Tamehaka madinidravina” (Andrianjafy et al. 189);“Tendrompony” (Razanatsima 859).
Uses. –Wood is used for construction (Andrianjafy et al. 189).
Distribution, ecology and conservation status. – Homalium moniliformesubsp. moniliformeis native to mid- to low-elevation humid forests in Antsiranana, Toamasina, and rarely Fianarantsoaprovinces. It is reported to occur on laterite, humus soil with rocky substrate, and on ferricrete, sometimes near water. Because it is relatively widespread and occurs in four protected areas (i.e., Zahamena, Masoala, Betampona, Makirovana-Tsihomanaomby), the preliminary assessment of its conservation status is “Least Concern” [LC].
Notes. – Homalium moniliformesubsp. moniliformehas on average larger leaves than subsp. littorale, but its leaves usually do not exceed 6.8 × 2.6(-3) cm. Collections from lower-elevation sites, e.g., in Betampona, seem more often to have acute or cuspidate leaves while those at higher elevations have more rounded leaf apices and the leaves are more strongly coriaceous; at the highest elevations the margins are generally revolute. Two specimens from northern Madagascar with very large leaves (to 9.7 × 4.1 cm) (Service Forestier 28807and Razakamalala et al. 55)are tentatively placed with the large-leaved, usually southern H. densispicatumbut may have affinities to H. moniliforme.
Selected material examined. – MADAGASCAR. Prov. Antsiranana: Ambodivoapaza, forêt de Makirovana-Tsihomanaomby, 14°08’33’’S 49°55’06’’E, 593 m, 23.V.2009, post-fl., Randrianarivony et al. 154( MO); Antanandava, Makirovana, 14°10’01’’S 49°57’12’’E, 685 m, 4.V.2010, fr., Razakamalala et al. 5447( MO). Prov. Toamasina: ZahamenaPN, 17°38’27’’S 48°52’32’’E, 700-1040 m, 4.X.2001, fr., Andrianjafy et al. 189( MO, P); Ampokafo, village Ambatoledama, 15°17’S 50°00’E, 15.VIII.2003, fr., Antilahimena2046( G, MO); Fkt. Anjiahely, 15°24’19’’S 49°30’28’’E, 360 m, 28.VI.2004, fl., Antilahimena2597( P); Masoala NP, Ambohitsitondroina Mahalevona, 15°25’37’’S 49°57’24’’E, 1158 m, 10.X.2003, fr., Antilahimena et al.2171( P); Fkt. Anjian’i Madirano, 15°54’08’’S 49°27’44’’E, 829 m, 22.VII.2007, post-fl., Antilahimena et al.5616( MO); Betampona RNI, piste principale 2 à 4 km, 17°55’S 49°13’E, 21.IV.1999, fr., Iambana& Arsène208( MO, P); Vatomandry, 19°09’16’’S 48°34’56’’E, 686 m, 22.XI.2004, old fls., A. Randrianasolo et al. 947( MO); Brickaville, vers le sommet d’Ankerana, 18°25’24’’S 48°47’06’’E, 896 m, 22.III.2011, fl., Ravelonarivoet al. 3785( MO); Fkt. Ambatolampy, forêt d’Ankarana, 18°23’51’’S 48°47’53’’E, 948 m, 25.I.2012, fl., Ravelonarivoet al. 4194( MO); Sahanionaka, forêt de Vohibe, 19°10’49’’S 48°32’27’’E, 763 m, 2.VI.2010, post-fl., Razanatsima859( BR, G, K, MO, WAG); Ambinanindrano II, forêt de Vohibe, 19°09’19’’S 48°35’04’’E, 655 m, 5.IV.2009, fl., Razanatsima& Céléstin712( MO[2 sheets]); Fkt. Ambatolampy, forêt d’Ankerana massif de Beanjada( N de la presqu’ile Masoala), 1000 m, I.1954, fr., Service Forestier8825( P).
3464757413
2009-05-23
MO
Randrianarivony et al
Madagascar
593
-14.1425
foret de Makirovana-Tsihomanaomby
21
49.918335
Ambodivoapaza
11
38
1
Prov. Antsiranana
3464757333
2010-05-04
MO
Razakamalala et al
Madagascar
685
-14.1669445
Makirovana
21
49.953335
Antanandava
11
38
1
Prov. Antsiranana
3464757432
2001-10-04
MO, P
Andrianjafy et al
Madagascar
870
-17.640833
Zahamena
21
48.875553
Zahamena
11
38
1
Prov. Toamasina
3464757500
2003-08-15
G, MO
Antilahimena
Madagascar
-15.283334
Ampokafo
1285
50.0
11
38
1
Antilahimena
3464757426
2004-06-28
P
Antilahimena
Madagascar
360
-15.405277
Fkt. Anjiahely
21
49.50778
11
38
1
Antilahimena
3464757377
2003-10-10
P
Antilahimena et al.
Madagascar
1158
-15.426945
Masoala NP
21
49.95667
11
38
1
Antilahimena Et Al
3464757370
2007-07-22
MO
Antilahimena et al.
Madagascar
829
-15.902222
Fkt. Anjian'i Madirano
21
49.462223
11
38
1
Antilahimena Et Al
3464757341
1999-04-21
MO, P
Iambana & Arsene
Madagascar
-17.916666
Betampona RNI
1277
49.216667
11
38
1
Antilahimena Et Al
3464757505
2004-11-22
MO
A. Randrianasolo et al
Madagascar
686
-19.154444
Vatomandry
21
48.582222
Vatomandry
11
38
1
Antilahimena Et Al
3464757430
2011-03-22
MO
Ravelonarivo
Madagascar
896
-18.423332
Brickaville
21
48.785
11
38
1
Antilahimena Et Al
3464757365
2012-01-25
MO
Ravelonarivo
Madagascar
948
-18.3975
Fkt. Ambatolampy
21
48.798054
11
38
1
Antilahimena Et Al
3464757450
2010-06-02
BR, G, K, MO, WAG
Razanatsima
Madagascar
763
-19.180277
foret de Vohibe
21
48.540833
Sahanionaka
11
38
1
Antilahimena Et Al
3464757420
2009-04-05
MO
Razanatsima & Celestin
Madagascar
655
-19.155277
foret de Vohibe
21
48.584442
Ambinanindrano II
11
38
1
Antilahimena Et Al
3464757464
1954-01
P
Service Forestier
Madagascar
1000
Fkt. Ambatolampy
11
38
1
Service Forestier