TABLE 1. Prominent morphological differences between Petalidium karasbergense, P in Petalidium karasbergense (Acanthaceae), a new species from Namibia
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| author | Swanepoel, Wessel Van Wyk, Abraham E. |
| author_facet | Swanepoel, Wessel Van Wyk, Abraham E. |
| contents | <p><b>TABLE 1.</b> Prominent morphological differences between <i>Petalidium karasbergense</i>, <i>P. parvifolium</i>, and <i>P. lucens</i>.</p><table><thead><tr><th><b>Character</b></th><th><i>P. karasbergense</i></th><th><i>P. parvifolium</i></th><th><i>P. lucens</i></th></tr></thead><tbody><tr><th><b>Habit (distal stems and lateral branchlets)</b></th><td>Tapering, often spinescent, rigid</td><td>Cylindric, flexible</td><td>Cylindric, rigid</td></tr><tr><th><b>Indumentum on vegetative parts</b></th><td>Strigulose (simple trichomes)</td><td>Scattered sessile glandular trichomes</td><td>Dense short simple or sessile stellate trichomes (with 2 or 3 branches), usually with isolated dendritic trichomes in addition; glabrescent</td></tr><tr><th><b>Young growth (stems and leaves)</b></th><td>Not glutinous</td><td>Covered with a glutinous secretion (glossy)</td><td>Not glutinous</td></tr><tr><th><b>Leaf blade (shape)</b></th><td>Oblanceolate to broadly oblanceolate or narrowly obovate, often subconduplicate towards apex; margins entire</td><td>Oblanceolate or narrowly obovate, flat or subreduplicate; margins entire, sometimes sparsely crenate-serrate towards apex</td><td>Oblanceolate to linear-lanceolate, broadly oblanceolate, broadly lanceolate, narrowly elliptic or ovate, flat; margins entire</td></tr><tr><th><b>Leaf blade (size) (mm)</b></th><td>Up to 19 × 7</td><td>4–30 × 2–11</td><td>Up to 32 × 17</td></tr><tr><th><b>Leaves (apex)</b></th><td>Truncate, emarginate or acute; recurved</td><td>Rounded to obtuse, apiculate; slightly recurved</td><td>Acute or obtuse; not recurved</td></tr><tr><th><b>Bracteoles (shape; degree of fusion)</b></th><td>Elliptic or narrowly ovate; free or free almost to base</td><td>Lanceolate-ovate; clearly connate towards base</td><td>Ovate to broadly ovate; connate towards base</td></tr><tr><th><b>Bracteoles (colour)</b></th><td>Cream-brown</td><td>White</td><td>White</td></tr><tr><th><b>Bracteoles (apex)</b></th><td>Acute, attenuate or obtuse</td><td>Acute, sometimes apiculate</td><td>Acute with a long mucro</td></tr><tr><th><b>Bracteoles (indumentum abaxially)</b></th><td>Strigulose; margins strigose</td><td>Scattered sessile glands, towards base sometimes with very short glandular trichomes in addition; margins lanate with short-stalked glandular trichomes in addition</td><td>Puberulent with short-stalked glandular trichomes in addition, some often robust, margins lanate</td></tr><tr><th><b>Bracteoles (size) (mm)</b></th><td>10.5–11.5 × 5.0–6.2</td><td>10–12 × 4–5</td><td>18–20 × 15</td></tr><tr><th><b>Corolla (size)</b></th><td>ca. 20 mm long, 21 mm diam.</td><td>ca. 13 mm long, 17 mm diam.</td><td>ca. 24 mm long, 20 mm diam.</td></tr><tr><th><b>Corolla (upper lobes) (shape; fusion)</b></th><td>Obovate; free</td><td>Oblong; connate for 25% of length</td><td>Obovate; free</td></tr><tr><th><b>Corolla (palate)</b></th><td>ca. 10-ribbed</td><td>5- or 6-ribbed</td><td>5–7-ribbed</td></tr><tr><th><b>Corolla (indumentum: outside)</b></th><td>Glabrous except for few short- stalked glandular trichomes</td><td>Puberulous</td><td>Scattered short-stalked glandular and isolated eglandular multi-cellular trichomes</td></tr><tr><th><b>Corolla (colour of lobes)</b></th><td>White or cream-white, occasionally with a faint lilac tinge</td><td>Mauve, white or white with lilac tinge</td><td>Mauve</td></tr><tr><th><b>Corolla (nectar guides)</b></th><td>Front lobe: pale yellow with purple patches Lateral lobes: purple Upper lobes: absent</td><td>Front lobe: yellow with brown patches Lateral lobes: brown Upper lobes: brown</td><td>Front lobe: cream Lateral lobes: beige Upper lobes: beige</td></tr><tr><th><b>Filaments (length) (mm)</b></th><td>Short filaments: ca. 6.2 Long filaments: ca. 8.8</td><td>Short filaments: ca. 4.3 Long filaments: ca. 5.7</td><td>Short filaments: ca. 6.5 Long filaments: ca. 8.7</td></tr><tr><th><b>Anthers (length) (mm)</b></th><td>ca. 2.5</td><td>ca. 2.2</td><td>ca. 3.3</td></tr><tr><th><b>Anthers (indumentum)</b></th><td>Few simple trichomes</td><td>Scattered short-stalked glandular and few simple trichomes</td><td>Scattered short-stalked glandular trichomes</td></tr><tr><th><b>Style (indumentum)</b></th><td>Puberulous towards base</td><td>Puberulous with short-stalked glandular trichomes in addition</td><td>Puberulous</td></tr><tr><th><b>Distribution</b></th><td>Namibia (Groot Karasberge in the ||Kharas Region)</td><td>Botswana (Kgalagadi District), Namibia (Omaheke and Khomas Regions)</td><td>Namibia (||Kharas Region) and South Africa (Northern Cape Province)</td></tr></tbody></table><p>......continued on the next page</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_15154930 |
| institution | Zenodo |
| language | |
| publishDate | 2023 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | TABLE 1. Prominent morphological differences between Petalidium karasbergense, P in Petalidium karasbergense (Acanthaceae), a new species from Namibia Swanepoel, Wessel Van Wyk, Abraham E. Biodiversity Taxonomy <p><b>TABLE 1.</b> Prominent morphological differences between <i>Petalidium karasbergense</i>, <i>P. parvifolium</i>, and <i>P. lucens</i>.</p><table><thead><tr><th><b>Character</b></th><th><i>P. karasbergense</i></th><th><i>P. parvifolium</i></th><th><i>P. lucens</i></th></tr></thead><tbody><tr><th><b>Habit (distal stems and lateral branchlets)</b></th><td>Tapering, often spinescent, rigid</td><td>Cylindric, flexible</td><td>Cylindric, rigid</td></tr><tr><th><b>Indumentum on vegetative parts</b></th><td>Strigulose (simple trichomes)</td><td>Scattered sessile glandular trichomes</td><td>Dense short simple or sessile stellate trichomes (with 2 or 3 branches), usually with isolated dendritic trichomes in addition; glabrescent</td></tr><tr><th><b>Young growth (stems and leaves)</b></th><td>Not glutinous</td><td>Covered with a glutinous secretion (glossy)</td><td>Not glutinous</td></tr><tr><th><b>Leaf blade (shape)</b></th><td>Oblanceolate to broadly oblanceolate or narrowly obovate, often subconduplicate towards apex; margins entire</td><td>Oblanceolate or narrowly obovate, flat or subreduplicate; margins entire, sometimes sparsely crenate-serrate towards apex</td><td>Oblanceolate to linear-lanceolate, broadly oblanceolate, broadly lanceolate, narrowly elliptic or ovate, flat; margins entire</td></tr><tr><th><b>Leaf blade (size) (mm)</b></th><td>Up to 19 × 7</td><td>4–30 × 2–11</td><td>Up to 32 × 17</td></tr><tr><th><b>Leaves (apex)</b></th><td>Truncate, emarginate or acute; recurved</td><td>Rounded to obtuse, apiculate; slightly recurved</td><td>Acute or obtuse; not recurved</td></tr><tr><th><b>Bracteoles (shape; degree of fusion)</b></th><td>Elliptic or narrowly ovate; free or free almost to base</td><td>Lanceolate-ovate; clearly connate towards base</td><td>Ovate to broadly ovate; connate towards base</td></tr><tr><th><b>Bracteoles (colour)</b></th><td>Cream-brown</td><td>White</td><td>White</td></tr><tr><th><b>Bracteoles (apex)</b></th><td>Acute, attenuate or obtuse</td><td>Acute, sometimes apiculate</td><td>Acute with a long mucro</td></tr><tr><th><b>Bracteoles (indumentum abaxially)</b></th><td>Strigulose; margins strigose</td><td>Scattered sessile glands, towards base sometimes with very short glandular trichomes in addition; margins lanate with short-stalked glandular trichomes in addition</td><td>Puberulent with short-stalked glandular trichomes in addition, some often robust, margins lanate</td></tr><tr><th><b>Bracteoles (size) (mm)</b></th><td>10.5–11.5 × 5.0–6.2</td><td>10–12 × 4–5</td><td>18–20 × 15</td></tr><tr><th><b>Corolla (size)</b></th><td>ca. 20 mm long, 21 mm diam.</td><td>ca. 13 mm long, 17 mm diam.</td><td>ca. 24 mm long, 20 mm diam.</td></tr><tr><th><b>Corolla (upper lobes) (shape; fusion)</b></th><td>Obovate; free</td><td>Oblong; connate for 25% of length</td><td>Obovate; free</td></tr><tr><th><b>Corolla (palate)</b></th><td>ca. 10-ribbed</td><td>5- or 6-ribbed</td><td>5–7-ribbed</td></tr><tr><th><b>Corolla (indumentum: outside)</b></th><td>Glabrous except for few short- stalked glandular trichomes</td><td>Puberulous</td><td>Scattered short-stalked glandular and isolated eglandular multi-cellular trichomes</td></tr><tr><th><b>Corolla (colour of lobes)</b></th><td>White or cream-white, occasionally with a faint lilac tinge</td><td>Mauve, white or white with lilac tinge</td><td>Mauve</td></tr><tr><th><b>Corolla (nectar guides)</b></th><td>Front lobe: pale yellow with purple patches Lateral lobes: purple Upper lobes: absent</td><td>Front lobe: yellow with brown patches Lateral lobes: brown Upper lobes: brown</td><td>Front lobe: cream Lateral lobes: beige Upper lobes: beige</td></tr><tr><th><b>Filaments (length) (mm)</b></th><td>Short filaments: ca. 6.2 Long filaments: ca. 8.8</td><td>Short filaments: ca. 4.3 Long filaments: ca. 5.7</td><td>Short filaments: ca. 6.5 Long filaments: ca. 8.7</td></tr><tr><th><b>Anthers (length) (mm)</b></th><td>ca. 2.5</td><td>ca. 2.2</td><td>ca. 3.3</td></tr><tr><th><b>Anthers (indumentum)</b></th><td>Few simple trichomes</td><td>Scattered short-stalked glandular and few simple trichomes</td><td>Scattered short-stalked glandular trichomes</td></tr><tr><th><b>Style (indumentum)</b></th><td>Puberulous towards base</td><td>Puberulous with short-stalked glandular trichomes in addition</td><td>Puberulous</td></tr><tr><th><b>Distribution</b></th><td>Namibia (Groot Karasberge in the ||Kharas Region)</td><td>Botswana (Kgalagadi District), Namibia (Omaheke and Khomas Regions)</td><td>Namibia (||Kharas Region) and South Africa (Northern Cape Province)</td></tr></tbody></table><p>......continued on the next page</p> |
| title | TABLE 1. Prominent morphological differences between Petalidium karasbergense, P in Petalidium karasbergense (Acanthaceae), a new species from Namibia |
| topic | Biodiversity Taxonomy |
| url | https://doi.org/10.5281/zenodo.15154930 |