1
<taxonx xmlns:
dc=
"http://digir.net/schema/conceptual/darwin/core/2.0" xmlns:
mods=
"http://www.loc.gov/mods/v3" xmlns:
xsi=
"http://www.w3.org/2001/XMLSchema-instance">
4 <mods:titleInfo><mods:title>The Palms of Madagascar
</mods:title></mods:titleInfo>
6 <mods:namePart type=
"family">Dransfield
</mods:namePart>
7 <mods:namePart type=
"given">J.
</mods:namePart>
8 <mods:namePart type=
"family">Beentje
</mods:namePart>
9 <mods:namePart type=
"given">H.
</mods:namePart>
12 <mods:dateIssued>1995</mods:dateIssued>
13 <mods:publisher>Royal Botanic Gardens, Kew and The International Palm Society
</mods:publisher>
18 <treatment rank=
"species">
20 <name>Dypsis mahia
</name>
21 <author>Beentje
</author>
22 <citation>in J.Dransfield
& H.Beentje, Palms of Madagascar:
296 (
1995)
</citation>
23 <type>Madagascar, Manombo; Beentje and Andriampaniry;
4792</type>
24 <type_loc>Holotypus K; isotypus TAN
</type_loc>
26 <div type=
"introduction"><p>This is a very small species with pencil-thin stems. The small, entire leaves with long lobes are very distinct. Mahia is Malagasy for 'slender' and refers to the very slender lobes of the lamina which, curiously and most unusually in the genus, are acuminate rather than dentate.
</p></div>
27 <div type=
"etymology"><p></p></div>
28 <div type=
"vernacular"><p>Not recorded.
</p></div>
29 <div type=
"diagnosis"><p>Palma minima lobis folii integri longis acutis distincta.
</p></div>
30 <div type=
"description"><p>Solitary or with paired stems. STEMS to
60 cm, c.
6 mm diam; internodes
3-
6 mm, glabrous; nodal scars
1-
2 mm. LEAVES
8-
10 in the crown, entire; sheath
5-
5.5 cm long, the outer open, the inner closed, pale brown with scattered reddish scales distally, with laciniate edges, without auricles; petiole
5.5-
7 cm long,
2-
2.5 mm wide, with scattered scales; lamina entire,
34-
38 cm long, connate for
5-
7 cm, lobed for
80-
85 %, the lobes
1.1-
1.8 cm wide; main veins
5, with few small reddish scales; apices long-acumi-nate, not dentate. INFLORESCENCE interfoliar, erect, branched to
1 order; peduncle
15 -
16 cm long,
1.5-
2 mm diam., glabrous; prophyll
11-
11.5 cm long, open in the distal
1 cm, with few scattered scales; peduncular bract inserted at c.
8 cm from the base of the peduncle, c.
10.5 cm long, open in the distal
4.5 cm, with few scattered scales; rachis c.
6 cm long, glabrous, with
12 rachillae; rachillae porrect,
3-
5 cm long,
0.6 mm diam., glabrous. STAMINATE FLOWERS yellow in bud, with sepals
0.5-
0.6 x
0.5-
0.7 mm; petals
0.7-
0.9 x
0.8 mm; stamens
6, uniseriate?, the filaments connate at the base,
0.4 mm long and thin, anthers
0.4 x
0.3 mm, AB dorsifixed, slighttly sagittate. PISTILLATE FLOWERS not seen. FRUIT not seen.
</p></div>
31 <div type=
"distribution"><p>Manombo, only known from the type.
</p></div>
32 <div type=
"biology_ecology"><p>Lowland rain forest on thin humus layer over rocky soil; c.
60 m.
</p></div>
33 <div type=
"conservation"><p>Critical. Known from a single site, which is slowly being destroyed by fire, shifting cultivation and logging.
</p></div>
34 <div type=
"uses"><p>Not recorded.
</p></div>
35 <div type=
"discussion"><p>D. mahia has stems and sheaths reminiscent of D. bernierana, but is otherwise very different and does not really resemble any other species.
</p></div>
36 <div type=
"materials_examined"><p>Farafangana: Manombo, Jan.
1993 (bud), Beentje
& Andriampaniry
4792 (Holotype K; isotype TAN).
</p></div>