Published January 5, 2024
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TABLE 1 in A new Amorphophallus (Araceae) species from Thailand and an updated key to the Longituberosus and Saraburiensis subclades
Authors/Creators
- 1. Department of Plant Biology, 516 Mann Library, Cornell University, Ithaca, New York 14853, United States of America.
- 2. 3318 Ellington Ct., Ft. Myers, Florida 33916, United States of America.
- 3. 751 Deerfoot Rd., Deland, Florida 32720, United States of America.
Description
TABLE 1. Morphological comparison of Amorphophallus bantae and closely related species.
| A. bantae | A. tenuistylis | A. longituberosus | A. albispathus | A. tenuispadix | |
|---|---|---|---|---|---|
| Peduncle length | 28–34 cm | 64–88 cm | 10–76 cm | 20–40 cm | 11–29 cm |
| Peduncle exterior | light green with purple vertical stripes and small whitish mottles | olive green with small grayish mottles | gray or light pink with green or brown mottles and (often) dark vertical stripes | uniformly pink or olivegreen grading up to pink | light brown to pinkish with few to many dark elongate mottles |
| Spadix length | 13–15 cm | 24–48 cm | 5.0–15.5 cm | 8–13 cm | 5.5–12.0 cm |
| Spadix-spathe ratio | spadix as long or shorter than spathe | spadix longer than spathe | spadix as long or shorter than spathe | spadix shorter than spathe | spadix as long or shorter than spathe |
| Appendix size | 5.5–6.5 cm long, as broad or narrower than staminate zone | 16–30 cm long, as broad or narrower than staminate zone | 2.5–8.0 cm long, as broad or broader than staminate zone, never narrower | 2–8 cm long, much broader than staminate zone | 1.5–4.0 cm long, much broader than staminate zone |
| Appendix color | purplish-brown | reddish-purple | whitish-beige | whitish-beige | whitish-beige |
| Spathe length | 14–16 cm | 19–40 cm | 5–20 cm | 6–14 cm | 5–13 cm |
| Spathe shape | elliptic | lanceolate | elliptic to elongate triangular | triangular-ovate | elliptic to lanceolate |
| Spathe limb apex | mucronate | acute or acuminate | acute | acute or acuminate | acute or acuminate |
| Spathe exterior | uniformly dark green with purplish vertical stripes and small whitish ovoid mottles | limb reddish-brown with small dark mottles; base grayish-green with small gray mottles | uniformly light green or gray with or without large brownish-green mottles or vertical stripes | uniformly greenishwhite or pinkish-white, occasionally grading to darker pink toward base | greenish-gray or pinkish gray (rarely white) with or without large dark ovoid mottles |
| Spathe interior | limb uniformly dark green; base reddishbrown with elongate warts. | limb uniformly reddishbrown; base dark purple with long, (often branched) warts | limb uniformly light green or gray; base as limb or reddish with small elongate warts | as exterior or occasionally paler with small elongate warts | as exterior or paler, base typically without mottles and loosely verrucose |
| Pistillate flower density | congested | sparse; ovaries 1–4 mm apart | congested | congested | congested |
| Ovaries | 2–3-locular | 3-locular | 3-locular | 3–4-locular | 1-locular |
| Stigma shape | depressed; 2–3 lobed | hemispheric; 2–3 lobed | flattened; 3–4 lobed | flattened; 3–4 lobed or bilabiate | discoid; bilabiate |
| Stigma color | dark yellow to pale brown | bright yellow | bright yellow | white or yellow | white or yellow |
| Style length Style color | ca. 1 mm reddish-purple | 3–4 mm reddish-purple | 2–3 mm green | ca. 1 mm green | ca. 1 mm green |
......continued on the next page
Notes
Published as part of Scholten, Justin, Livingston, David & Sizemore, Mary, 2024, A new Amorphophallus (Araceae) species from Thailand and an updated key to the Longituberosus and Saraburiensis subclades, pp. 104-105 in Phytotaxa 633 (2) on page 104, DOI: 10.11646/phytotaxa.633.2.1, http://zenodo.org/record/10462290
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- Is part of
- Journal article: 10.11646/phytotaxa.633.2.1 (DOI)
- Journal article: urn:lsid:plazi.org:pub:FFF6FFE5AF74FFB1FD749849FFA3FFF0 (LSID)
- Journal article: http://publication.plazi.org/id/FFF6FFE5AF74FFB1FD749849FFA3FFF0 (URL)
- Journal article: http://zenodo.org/record/10462290 (URL)