AFRICAN

ORCHIDS

Acrolophia ustulata (Bolus) Schltr. & Bolus, J. Bot. 32: 332 (1894).

Homotypic Synonyms:

Cymbidium ustulatum Bolus, J. Linn. Soc., Bot. 20: 469 (1884).

Eulophia ustulata (Bolus) Bolus, Trans. S. African Philos. Soc. 5(1): 110 (1888).

Heterotypic Synonyms:

Acrolophia parvula Schltr., Ann. Transvaal Mus. 10: 24 (1924).

Description:

A dwarf glabrous herb, 4-12 cm. high; tubers several cylindrical, thickened at the apex; stem erect straight leafy, 2-8 fl. At the apex, the flowers racemose; leaves ascending rigid, sheathing at base, linear-lanceolate acuminate many-nerved, 0,2-0,7 cm. long; bracts erect membranous, shorter or longer than the ovary; perianth-segments connivent fleshy; sepals lanceolate acute, the lateral subfalcate, 0,7-0,9 cm. long ; petals oblong, a little shorter than the sepals; lip ecalcarate, elliptic in outline, 0,7-0,9 cm. long, 3 1obed, the terminal lobe larger reflexed rotundate, densely papillose on the upper surface, the lateral lobes obtuse; column semi-terete, produced at base into an excavate chin ; pollinia approximate elliptic; gland almost quadrate diaphanous.

Habitat:

Near the coast in sand in fymbos at elevations of 120 to 390 meters.

Distribution:

SW. Cape Prov.

Images:

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Image Flower Details   Habitat/ In Situ   Botanical Drawing / Herbarium
       acrolophia ustulata
      Photograph copyright Swiss Orchid Foundation at the Herbarium Jany Renz Image used with kind permission.

 

 

 

 

 

 

 

 

Acrolophia lunata (Schltr.) Schltr. & Bolus, J. Bot. 32: 332 (1894).

Homotypic Synonyms:

Eulophia lunata Schltr., Verh. Bot. Vereins Prov. Brandenburg 35: 45 (1893).

Heterotypic Synonyms:

Limodorum barbatum Thunb., Prodr. Pl. Cap.: 4 (1794), nom. illeg.

Acrolophia barbata H.P.Linder, J. S. African Bot. 54: 498 (1988).

Description:

An erect robust herb, up to 93 cm. high; stem straight or sub-flexuous, leafy at base, bearing flowers above the middle, flowers racemose spreading; leaves erect-spreading, sheathing at base, rigid linear-ensiform acuminate, margin obscurely serrulate, many-nerved, passing off into the sheaths of the scape, 15-80 cm. long; bracts spreading membranous, shorter or longer than the slender pedicels attaining 1,6 cm. in length; sepals spreading linear-lanceolate acute, 1,6 cm. long; petals oblong obtuse, as long as the sepals lip oblong-cuneate in outline, spurred at base, 1,8 cm. long, the spur obtuse, 3 1obed, the lateral lobes obtuse, the middle lobe larger, dilated towards the apex, almost truncate, crispulate on the margin, crested, the tubercles arranged in about seven lines; column oblong, a little dilated towards the apex, then acute, bilobed at base, the lobes inflexed; anther 2 horned, the horns diverging.

Habitat:

In fynbos in sand at elevations of sea-level to 750 meters.

Distribution:

S. Cape Prov.

Images:

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Acrolophia cochlearis (Lindl.) Schltr. & Bolus, J. Bot. 32: 332 (1894).

Homotypic Synonyms:

Eulophia cochlearis Lindl., Companion Bot. Mag. 2: 202 (1837).

Graphorkis cochlearis (Lindl.) Kuntze, Revis. Gen. Pl. 2: 662 (1891).

Description:

Stem, leaves, bracts, sepals and petals almost exactly like those of the preceding species (Acrolophia micrantha); lip posticous, much larger than the sepals and petals, erect or recurved, nearly square in outline, concave emarginate crenulate crisped, upper surface bearded with filiform papillae, spur short nearly spherical; column much like that of the preceding species, but the stigma larger, somewhat orbicular, only slightly depressed, not hollowed out.

Habitat:

In sandy in coastal scrub at elevations of sea-level to 700 meters.

Distribution:

S. Cape Prov. to KwaZulu-Natal

Images:

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Acrolophia lamellata (Lindl.) Pfitzer, Entwurf. Anordn. Orch.: 60 (1887).

Homotypic Synonyms:

Eulophia lamellata Lindl., Gen. Sp. Orchid. Pl.: 184 (1833).

Graphorkis lamellata (Lindl.) Kuntze, Revis. Gen. Pl. 2: 662 (1891).

Acrolophia capensis var. lamellata (Lindl.) Schelpe, Contr. Bolus Herb. 10: 156 (1982).

Description:

An erect robust glabrous herb, 28-50 cm. high; tubers several cylindrical, attaining a length of 1,6 met.; stem straight, leafy at base, bearing flowers from above the middle, flowers racemose or more usually paniculate, spreading or nodding; leaves erect spreading, sheathing at base, rigid linear-ensiform acuminate, minutely serrulate, passing off into the sheaths of the scape, 12-20 cm. long; bracts spreading, shorter or longer than the slender pedicels attaining 2,5 cm, in length; sepals and petals almost alike, spreading or connivent, oblong acute, or the petals obtuse, 1,5-2 cm. long; lip cuneate in outline, 1,8-2,3 cm. long, 3 lobed, lateral lobes obtuse, the terminal larger, widened towards the apex, truncate, crispulate on the margin, crested, the tubercles arranged in about 7 lines, spurred at base, the spur bilobed; column oblong, dilated towards the apex, lobed at the base on each side; anther 2horned, horns diverging obtuse; pollinia sessile on an oblong hyaline gland.

Habitat:

In fynbos and restio-veld and coastal scrub in sand at elevations of 100 to 1700 meters.

Distribution:

SW. Cape Prov.

Images:

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Acrolophia micrantha (Lindl.) Pfitzer, Entwurf. Anordn. Orch.: 60 (1887).

Homotypic Synonyms:

Eulophia micrantha Lindl., Gen. Sp. Orchid. Pl.: 184 (1833).

Graphorkis micrantha (Lindl.) Kuntze, Revis. Gen. Pl. 2: 662 (1891).

Heterotypic Synonyms:

Acrolophia fimbriata Schltr., Bot. Jahrb. Syst. 26: 340 (1899).

Description:

An erect caulescent branched glabrous robust herb, 70 cm. high; stem leafy, 28 cm. long; leaves erect-spreading equitant enslform acute complicate serrulate on the margin and carina, rigid, 15-25 cm. long; panicle terminal, the peduncle and branches clothed with lanceolate submembranous sheaths, 7-10 cm. long; bracts lanceolate or ovate-lanceolate, a little shorter than, or equal to, the pedicellate ovaries in length; sepals ovate, rather obtuse, minutely pellucid-punctate, 0,5 cm. long; petals obliquely ovate, rather obtuse, 0,4 cm. long; lip spoon-shaped, oblong in outline when flattened, provided with two fleshy ridges rising at the base of the lip which divide up into 4 ridges in the intermediate lobe, 0,4 cm. long (from the mouth of the spur to the apex of the intermediate lobe), 3 lobed, the lateral lobes erect rotundate or subacute lineate, not quite 0,2 cm. long, intermediate lobe strongly concave, rotundate or subtruncate undulate — crisped on the margin, the spur short subglobose, scarcely 0,2 cm. long; column without a foot, 0,3 cm. long; pollinia subglobose, the caudicle broadly linear; gland subquadrate; capsule pendulous ovoid up to 2 cm. long, 1,5 cm. diam.

Habitat:

In coastal scrub in sand at elevations of 30 to 300 meters.

Distribution:

SW. & S. Cape Prov.

Images:

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     Image     Flower Details     Habitat/ In Situ         Habitat/ In Situ    Botanical Drawing / Herbarium
 acrolophia micrantha test range arniston 13sep08 022  acrolophia micrantha test range arniston 13sep08 021  acrolophia micrantha test range arniston 13sep08 025 acrolophia micrantha test range arniston 13sep08 020  acrolophia micrantha
Photograph copyright Cameron McMaster.
Image used with kind permission
Photograph copyright Cameron McMaster.
Image used with kind permission
Photograph copyright Cameron McMaster.
Image used with kind permission
Photograph copyright Cameron McMaster.
Image used with kind permission
Photograph copyright.Swiss Orchid Foundation at the Herbarium Jany Renz. Image used with kind permission.