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Notes on the acanthaceae of Java - DWC

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NOTES ON THE ACANTHACEAE OF JAVA 71<br />

Bast <strong>Java</strong>. Malang Res.: betweenBromo and Smeru (Smeru-hoeve -<br />

Sendura). alt. 2000 m. V. STEENIS 7290 BZ. typus. L. dupl. typi: ibidem.<br />

GISlUS "Aug. 1939" BZ.<br />

R. ardjunensis and R. smeruensis show some resemblance to R. latispica<br />

(Gamble) Brem. n. combo (Justicia Gamble). but are easily distinguishable<br />

from <strong>the</strong> latter by <strong>the</strong> greater length <strong>of</strong> <strong>the</strong> spikes and <strong>of</strong> <strong>the</strong> bracts and<br />

bracteoles.<br />

Two species pro-.. ided wi.th large leaves and with a 4-partite calyx were<br />

collected in Celebes:<br />

Rostellularia b<strong>on</strong>thainensis Brem. n. spec.: typus: BONNEMEYER 12088<br />

U: maxime ut R. smeruensis Brem. et R. ardjunensis Brem. sed foliis<br />

l<strong>on</strong>gius petiolatis. basi c<strong>on</strong>tractis. bracteis bracteolisque brevioribus. haud<br />

distincte penninerviis ab eis distinguenda.<br />

Herba erecta. plus quam 50 cm aIta. ramosa. Rami internodHs bisulcatis<br />

4-9 cm l<strong>on</strong>gis et 1.5-2.5 'mm diam .• primum densius hirsuti. deinde plus<br />

minusve glabrescentes. Folia petiolo densius hirsuto. 3-10 mm l<strong>on</strong>ge instructa:<br />

lamina ovata vel elliptica. 2.7-5.7 cm l<strong>on</strong>ga et 1.6--2.8 cm Iata.<br />

apke acuta vel subacuminata et mucr<strong>on</strong>ata. basi in petiolum c<strong>on</strong>traeta.<br />

margine integra. herbacea. supra hirsuta. subtus costa nervis venulis etiam<br />

hirsuta. cystolithis vix clistinguendis. nervis utroque latere costae 4-5.<br />

tenuibus. Spicae nunc sessiles. nunc pedunculo dense hirsuto. usque ad<br />

4 cm l<strong>on</strong>go instructae. 3.5-6.5 om l<strong>on</strong>gae et 1 cm diam.: spicae sessiles<br />

plerumque floribus duobus axdlaribus praecessae. Rachis hirsuta. Bracteae<br />

lanceolatae. 6.5 mm l<strong>on</strong>gae -et 2 mm latae. apicem versus c<strong>on</strong>tractae et<br />

c<strong>on</strong>duplicatae. margine l<strong>on</strong>ge ciliatae. subtus pilis isdem cum pilis aliquibus<br />

brevioribus capItatis mixtis hirsutae. supra glabMe. virga mediana viridi<br />

0.6 mm Iata. haud distincte venosa. .margine hyalina 0.7 mm Iata. Bracteolae<br />

lineari- lanceolatae. 5 mm l<strong>on</strong>gae et 1.1 mm latae. ceterum ut bracteae.<br />

Calyx 4-partitus: lobi lineari-lanceolati. l<strong>on</strong>gitudine paulum inaequales.<br />

5.5-6 mm l<strong>on</strong>gi et 1.4 mm lati. ad apicem haud distincte c<strong>on</strong>duplicati.<br />

ceterum ut bracteolae. Corolla 12 mm l<strong>on</strong>ga. tuba extus glabro. ceterum<br />

pilis l<strong>on</strong>gioribus ecapitatis c·um pilis brevioribus capitatis mixtis hirsuta.<br />

tubo faucibus 0.5 mm l<strong>on</strong>gis comprehensis 4 mm l<strong>on</strong>go. labio superiore<br />

apice subquadrato vix retuso. lobis labii inferioris 1.2 mm l<strong>on</strong>gis. rotundatis.<br />

Stamina filamentis 4.5 mm l<strong>on</strong>gis: <strong>the</strong>cae paulum inaequil<strong>on</strong>gae.<br />

superior 1.0 mm l<strong>on</strong>ga. apice truncata. inferior 1.2 mm l<strong>on</strong>ga. basi calcare<br />

0.6 mm l<strong>on</strong>ge instructa: c<strong>on</strong>nectivum 0.3 mm latum. Granula pollinis 26 I-'<br />

l<strong>on</strong>ga. 19 I-' Iata. 14 I-' crassa. Ovarium 1.5 mm altum. dimiclio superiore<br />

comosum. Stylus 7 mm l<strong>on</strong>gus. basin versushirtellus. Capsuia 6.5 mm<br />

l<strong>on</strong>ga et 1.8 mm Iata. paree pubescens. basin versus glabrescens. parte<br />

solida 2 mm l<strong>on</strong>ga. Semina 1.5 mm l<strong>on</strong>ga lataque.<br />

Habitat terrae Celebicae partem austro-occidentalem.<br />

S.W. Celebes. G. B<strong>on</strong>thain. alt. 2000 m. BÜNNEMEYER 12088 U. -n. VI

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