Friesodielsia species

Autor: Leeratiwong, Charan, Karapan, Sunate, Satthaphorn, Jiratthi, Johnson, David M.
Rok vydání: 2023
Předmět:
DOI: 10.5281/zenodo.7757775
Popis: Key to the Friesodielsia species of Thailand ( (modified from Leeratiwong et al., 2022) 1. Outer petals appressed until anthesis, then separating slightly, triquetrous apically..........................................................................2 - Outer petals separating widely in early bud stage, flat apically.........................................................................................................9 2. Twigs persistently hispid, pedicels 59–95 mm long, sepals with 1 vein, leaf base irregularly cordate................................. F. filipes - Twigs tomentose, pubescent or glabrous, pedicels less than 59 mm long, sepals obscurely to strongely 5–7 veined or without visible veins, leaf base regularly cordate, rounded or broadly cuneate..............................................................................................3 3. Sepals 7.0–17.0 mm long...................................................................................................................................................................4 - Sepals 2.5–6.0 mm long.....................................................................................................................................................................6 4. Pedicellar bract apical, leaf apex rounded or truncate-retuse, rarely with a short mucro ca. 2 mm long., outer petals lanceolate, inner half the length of the outer petals....................................................................................................................................... F. calycina - Pedicellar bract at pedicel midpoint or basal, leaf apex acute, acuminate, ormucronate, outer petals linear-oblong or linearlanceolate, inner petal greater than half the length of the outer petals...............................................................................................5 5. Stem densely pubescent, leaves glaucous abaxially, floral pedicels 6–10 mm long, with cordate to reniform bracts, sepals with 5 distinct veins, outer petals with a raised abaxial midrib, carpels 7–15.................................................................................. F. affinis - Stem sparsely pubescent, leaves shiny abaxially, floral pedicels 10–15 mm long with broadly ovate bracts, sepals with 5–7 obscure veins, outer petals without raised abaxial midrib, carpels ca. 30.......................................................................... F. chalermgliniana 6. Pedicels of flower/fruit ≥ 14 mm long................................................................................................................................................7 - Pedicels of flower/fruit F. glauca - Twigs densely hairy, leaves less than 5 cm wide, outer petals lanceolate to ovate-lanceolate, inner petal length greater than half the length of the outer petals............................................................................................................................................... F. betongensis 8. Outer petals linear-lanceolate, acute, sepal apex acute/acuminate, leaf blades 3.5–7.5 mm wide, apex acuminate/caudate, acumen (3–) 7–20 mm long................................................................................................................................................... F. khaoluangensis - Outer petals lanceolate, obtuse, sepal apex rounded, leaf blades 7.5–15.0 cm wide, apex obtuse to rounded, occasionally emarginate or mucronate........................................................................................................................................................................ F. latifolia 9. Twig hairs persistently appressed, often glabrate proximal to first fully expanded leaves on specimen.........................................10 - Twig hairs at first appressed, soon becoming erect to spreading, twigs always pubescent proximal to first fully expanded leaves on a specimen........................................................................................................................................................................................12 10. Bracts 1.5–3.5 mm long, shorter than pedicel, monocarp stipes 3–5 mm long................................................................... F. discolor - Bracts 4.0–9.0 mm long, longer than pedicel, monocarp stipes 5–9 mm long................................................................................11 11. Leaves glaucous abaxially, inner petals lobed at midpoint on both sides....................................................................... F. unonifolia - Leaves shiny abaxially, inner petals without lobes at midpoint............................................................................................ F. glabra 12. Leaves spreading-pubescent below..................................................................................................................................................13 - Leaves appressed-pubescent to glabrate below................................................................................................................................14 13. Monocarps ellipsoid to oblongoid, (8.0–)10.0–14.0 mm wide, sepals (5.0–)6.5–10.0 mm long, outer petals 40–70 Í 13–35 mm..................................................................................................................................................................................................... F. kingii - Monocarps ovoid, 6.5–7.0 mm wide, sepals 4–5 mm long, outer petals (19–)27–31 Í 7–9 mm.................................... F. desmoides 14. Sepals ≤ 10 mm long.........................................................................................................................................................................15 - Sepals> 10 mm long.........................................................................................................................................................................16 15. Inner petals 8–13 mm long, ovate-lanceolate to ovate, with marginal lobes, monocarp stipes 3–5 mm long............ F. brevistipitata - Inner petals (11–) 15–25 mm long, narrowly lanceolate to lanceolate, lacking marginal lobes, monocarp stipes 5–10 mm long............................................................................................................................................................................................... F. longipetala 16. Sepals gradually tapering to a blunt-acuminate apex, outer petals 6–12 mm wide, inner petals 8–10 mm long, petioles grooved adaxially.................................................................................................................................................................... F. songkhlaensis - Sepals rounded to obtuse or acute apex, outer petals 11–32 mm wide, inner petals 10–25 mm long, petioles flat adaxially.........17 17. Monocarp stipes 2–5 mm long, swollen apically....................................................................................................... F. phanganensis - Monocarp stipes 5–10 mm long, uniformly thick............................................................................................................................18 18. Outer petals (50–) 80–140 mm long, carpels 10–14, monocarps sparsely pubescent..................................................... F. longipetala - Outer petals 50–80 mm long, carpels 14–24, monocarps densely pubescent............................................................. F. macrosepala
Published as part of Leeratiwong, Charan, Karapan, Sunate, Satthaphorn, Jiratthi & Johnson, David M., 2023, Two new species of Friesodielsia (Annonaceae) from Peninsular Thailand, pp. 73-82 in Phytotaxa 589 (1) on pages 80-81, DOI: 10.11646/phytotaxa.589.1.7, http://zenodo.org/record/7755059
{"references":["Leeratiwong, C., Johnson, D. M., Chalermglin, P. & Satthaphorn, J. (2022) Friesodielsia. In: Johnson, D. M. & Murray, N. A. (Coords.) Flora of Thailand 16 (1): Annonaceae. Department of National Parks, Wildlife and Plant Conservation, Bangkok."]}
Databáze: OpenAIRE
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